Update travis file
Fix install command line
Fix command line for qmake
Add qt5-default
Add ubuntu-sdk
Add qttools5-dev-tools
Try recompiling Qt manually
Fix a typo
Use of an other PPA for the version 5.4 Beta
Fix previous commit
Set the right environment
Set the right environment (bis)
Quadtree unit test
Remove QtGui from the Quadtree test
Verbose mode
Normal mode