Changes: Document build options
Changes: Document build options

RevBy: Michael Hasselmann
Details: Adds help output to build system (use qmake HELP=1 to show)

Full, original commit at 1aa03ed4a17bae41a99885b928fa6ee86d008d24 in maliit-framework

maliit/inputcontext-qt4,maliit/inputcontext-qt4,perencia/inputcontext-qt4