Limit colning of projects only to public ones

Override grack::auth module to add authentication. If user tries to
clone private ones he will be asked to enter his username and password.
Auth is working, however cloning of private projects is still in
locked downstate.
Cloning of public projects doesn't ask user to login. Only check is that
project exists in our DB.
Push command template for auth is also added.

config/initializers/0_glitterconfig.rb

@@ -3,6 +3,10 @@
 # ImageMagick geometry to use for thumbnail generation
 # defaults to 100 px width
 # http://www.imagemagick.org/script/command-line-processing.php#geometry
+
+# used for overriding the grack::auth module of grack gem
+require Rails.root.join("lib", "rack", "grack_auth")
+
 Glitter::Application.config.thumbnail_geometry=[50,50]
 Glitter::Application.config.inspire_geometry=[230,130]
 Glitter::Application.config.mobile_inspire_geometry=[600,340]
@@ -39,6 +43,7 @@
   Glitter::Application.config.repo_path = "#{Rails.root}/public/data/repos"
 elsif Rails.env.test?
   Glitter::Application.config.repo_dir="public/testdata"
+  Glitter::Application.config.repo_path = "#{Rails.root}/public/testdata/repos"
 elsif Rails.env.production?
   Glitter::Application.config.repo_dir="public/data"
   Glitter::Application.config.repo_path = "#{ENV["OPENSHIFT_DATA_DIR"]}/repos"