changes to CMakeLists to up to qt5
switch to new qt5 find module setup
add Makefiles to the gitignore
changes to CMakeLists for Qt5
small code changes for qt5 compatibility
use env variable for QT cmake prefix path
remove no longer required qt cpp wrap
fixes for new message handler for qt5
remove debug of QT_CMAKE_PREFIX_PATH
merge branch qt5 with upstream/master
Merge branch 'master' of github.com:worklist/hifi into qt5
Merge pull request #723 from birarda/qt5

switch to qt5