Fixed issue in folder Makefile
Merge pull request #36 from SESA258801/Add_mind-parent_as_parent

Fixed issue in folder Makefile
Migration to mind-parent 7-SNAPSHOT & mind-compiler 2.2-SNAPSHOT
Added mind-parent build to .travis.yml
Fixed missing quote in .travis.yml
Merge pull request #37 from SESA258801/mind-parent_7_migration

Migration to mind-parent 7-SNAPSHOT & mind-compiler 2.2-SNAPSHOT
Removed XSL from module and moved it to mind-parent module
Merge pull request #38 from SESA258801/mind-parent_7_migration

Removed XSL from module and moved it to mind-parent module
Mind diff User Guide finalization, CSS are moved to mind-parent-resources
Merge pull request #39 from SESA258801/mind-parent_7_migration

Mind diff User Guide finalization, CSS are moved to mind-parent-resources