Added support for 4 new logitech cameras and cu40[IRImage capture]

logger file location is corrected

av_packer_rescale_ts api is changed to av_rescale_q

library version compatibility added

modified qml path to /usr/share in project file

libv4lconvert path is addded in libs

libv4lconvert0 is addded in libs

removed quick and qml from QT flag

deleted Makefile

removed leading slash in target.path

removed temporary .pri file created

Initial qtcam source

Initial commit