Add requirements comments, update bash shebangs

Author: CompSciLauren

Diff for: commit-msg-hooks/enforce-insert-issue-number.hook

@@ -7,6 +7,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the commit.
 #
+# Requirements: 
+#   * Python 2/3
+#
 # To enable this hook, rename this file to "commit-msg".
 
 import sys, os, re

Diff for: post-checkout-hooks/delete-pyc-files.hook

@@ -4,6 +4,9 @@
 #
 # Deletes all .pyc files every time a new branch is checked out.
 #
+# Requirements: 
+#   * Python 2/3
+#
 # To enable this hook, rename this file to "post-checkout".
 
 import sys, os, re

Diff for: post-checkout-hooks/new-branch-alert.hook

@@ -1,10 +1,13 @@
-#!/bin/sh
+#!/bin/bash
 # Based on a hook from gist.github.com
 # Source: https://gist.github.com/zgohr/4557894
 #
 # Creates a commit and displays a custom message when a new branch is checked out for the first time.
 # A commit is made in order to help determine if a new branch has been created.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "post-checkout".
 
 from_hash=$1

Diff for: post-update-hooks/update-server-info.hook

@@ -1,9 +1,12 @@
-#!/bin/sh
+#!/bin/bash
 # Based on the post-update sample generated by default in .git/hooks
 # Source: https://www.git-scm.com/docs/githooks/1.7.1
 #
 # Prepares a packed repository for use over dumb transports (e.g. http).
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "post-update".
 
 exec git update-server-info

Diff for: pre-commit-hooks/format-code.hook

@@ -1,8 +1,11 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Formats code using mvn fmt:format command.
 # Any staged files that are modified by this command will be re-added to the commit.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-commit".
 
 mvn fmt:format

Diff for: pre-commit-hooks/search-term.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on a hook from hackernoon.com
 # Source: https://hackernoon.com/automate-your-workflow-with-git-hooks-fef5d9b2a58c
 #
@@ -8,6 +8,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the commit.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-commit".
 
 # Redirect output to stderr

Diff for: pre-commit-hooks/spell-check-md-files.hook

@@ -5,6 +5,9 @@
 # Used to check files with the .md extension (markdown) for spelling errors.
 # It will run each .md file through aspell and returns an exit code other than 0 when it matches.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-commit".
 
 # Where are the markdown files located?

Diff for: pre-commit-hooks/verify-name-and-email.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on a hook from tygertec.com
 # Source: https://www.tygertec.com/git-hooks-practical-uses-windows/
 #
@@ -7,6 +7,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the commit.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-commit".
 
 # Make sure user.name is set properly

Diff for: pre-push-hooks/prevent-bad-push.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on the pre-push sample generated by default in .git/hooks
 # Source: https://www.git-scm.com/docs/githooks/1.7.1
 #
@@ -9,6 +9,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the push.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-push".
 
 # This hook is called with the following parameters:

Diff for: pre-rebase-hooks/prevent-rebase.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on the pre-rebase sample generated by default in .git/hooks
 # Source: https://www.git-scm.com/docs/githooks/1.7.1
 # Copyright (c) 2006, 2008 Junio C Hamano
@@ -19,6 +19,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the rebase.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "pre-rebase".
 
 publish=next

Diff for: prepare-commit-msg-hooks/include-git-diff-name-status.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on the pre-push sample generated by default in .git/hooks
 # Source: https://www.git-scm.com/docs/githooks/1.7.1
 #
@@ -13,6 +13,9 @@
 # commented because it doesn't cope with --amend or with squashed
 # commits.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "prepare-commit-msg".
 
 COMMIT_MSG_FILE=$1

Diff for: prepare-commit-msg-hooks/insert-issue-number.hook

@@ -4,6 +4,9 @@
 #
 # Inserts issue number to beginning of the commit message.
 #
+# Requirements: 
+#   * Python
+#
 # To enable this hook, rename this file to "prepare-commit-msg".
 
 import sys, os, re

Diff for: query-watchman-hooks/fsmonitor-watchman.hook

@@ -11,6 +11,9 @@
 # modified since the given time. Paths must be relative to the root of
 # the working tree and separated by a single NUL.
 #
+# Requirements: 
+#   * Perl
+#
 # To enable this hook, rename this file to "query-watchman" and set
 # 'git config core.fsmonitor .git/hooks/query-watchman'
 

Diff for: update-hooks/prevent-unannotated-tags.hook

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Based on the update sample generated by default in .git/hooks
 # Source: https://www.git-scm.com/docs/githooks/1.7.1
 #
@@ -8,6 +8,9 @@
 # The hook should exit with non-zero status after issuing an appropriate
 # message if it stops the push.
 #
+# Requirements: 
+#   * Bash
+#
 # To enable this hook, rename this file to "update".
 
 # Config