#37: MergeExtension covered by tests.
#17: merge configuration block now supports subscribers registration.
Merge remote-tracking branch 'origin/master' into issue_17
#17: MergeExtension registers subscribers as merge.subscriber service.
#17: Subscribers implementation for merge -> done.

Documentation should be written. Work in progress.
#17: phpmd fix made in MergeExtensionTest
#17: merge-customization.md added
#17: documentation written partially for merge-customization
Merge pull request #46 from panza-official/issue_17

Issue 17
Fixed bug in subscribers loading. tags can not be used, because service is registered in global context so is not available in MergeExtension container context.
MergeExecutor exception logging improved (to do not log the stack trace because it's messy).
config.yml.dist: typo fixed.
#47: error handler added to handle php errors (stopping execution if happened)
Merge pull request #48 from panza-official/issue_47

#47: error handler added to handle php errors (stopping execution if happened)
Git\Branch -> cleanup() method implemented.
git-wrapper package updated
Branch.php: GitWrapper method ->clean() used (after implementation in git-wrapper API).
Merge remote-tracking branch 'origin/master' into issue_7