[Support-php7.2] Updated to support php 7.2 and docker support

Added docker configuration
Update Libs which should support php 7.2
PHP is limited to 7.2 due to lack of support for phpseclib and SSH2
Minor code refactor

Author: Paul Schweppe

.gitattributes

@@ -1,7 +1,7 @@
 # Make GitHub ignore vendor libraries while computing language stats.
 # See https://github.com/github/linguist#overrides.
 
-/src/VersionControl/GitControlBundle/Resources/public/* linguist-vendored=true
-/src/VersionControl/GitCommandBundle/Resources/public/* linguist-vendored=true
-/src/VersionControl/GithubIssueBundle/Resources/public/* linguist-vendored=true
-/src/VersionControl/GitlabIssueBundle/Resources/public/* linguist-vendored=true
+/app/src/VersionControl/GitControlBundle/Resources/public/* linguist-vendored=true
+/app/src/VersionControl/GitCommandBundle/Resources/public/* linguist-vendored=true
+/app/src/VersionControl/GithubIssueBundle/Resources/public/* linguist-vendored=true
+/app/src/VersionControl/GitlabIssueBundle/Resources/public/* linguist-vendored=true

.gitignore

@@ -1,13 +1,14 @@
-/web/bundles/
-/app/bootstrap.php.cache
-/app/cache/*
-/app/config/parameters.yml
-/app/logs/*
-!app/cache/.gitkeep
-!app/logs/.gitkeep
-/build/
-/vendor/
-/bin/
-/composer.phar
-/Documentation/*.mwb.bak
-/nbproject/
+/app/web/bundles/
+/app/app/bootstrap.php.cache
+/app/app/cache/*
+/app/app/config/parameters.yml
+/app/app/logs/*
+!app/app/cache/.gitkeep
+!app/app/logs/.gitkeep
+/app/build/
+/app/vendor/
+/app/bin/
+/app/composer.phar
+/app/Documentation/*.mwb.bak
+/nbproject/
+.idea

.travis.yml

@@ -9,7 +9,8 @@ php:
   - 7.1
 
 before_script: 
-  - cp app/config/parameters.yml.travis app/config/parameters.yml
+  - cp app/app/config/parameters.yml.travis app/app/config/parameters.yml
+  - cd app
   - composer install -n
   - git --version
   - git config --global user.email "test@travis-ci.org"