bump more versions (#177)

* bump nodemon version

* bump mocha to 6.2.3

* update a bunch of minor releases

* bump ts-node, typescript version, add form-data, pin aws-sdk and azure-storage version

* fix backward incompatible updates

* update .gitignore

* bump nodemon version one more time

* bump botkit version and add workaround

* add TODO for botkit fix

* bump required node and yarn version

* bump node version in travis too

* include the correct yarn version with yarn yarn policies set-version 1.19.1

Author: annguy3n

.gitignore

@@ -1,4 +1,9 @@
+.idea/
+*.iml
+
 node_modules
 .env
 docker-compose.yml
 npm-debug.log
+
+yarn-error.log

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "6.11.1"
+  - "12.13.0"
   - stable
 cache:
   yarn: true