Kernel - remove last / in getVarDir()
add Kernel unit tests
add travis file
remove travis tests for php 5.3 + prefer source on composer install
add travis build img
add extension + configuration + services.xml
alice:fixtures:load command + database tools
remove behavior traits (other bundles does it better)
typo fix in target-dir
update documentation
add alice:fixtures:load command
add unit tests for alice fixtures command