Remove unnecessary use of Qt in launcherlib and ebooster
[mapplauncherd] Avoid using PROG_NAME_LAUNCHER in installed headers
[mapplauncherd] Remove Qt boosters and related tests

These have been split to a separate repository and package.
Extend the pattern for recognizing booster libraries
Require mapplauncherd-qt4 for tests
Set USE_X11 for launcherlib
Merge pull request #3 from special/qt5-refactor

Move Qt boosters to a separate repository