osx: set cmake to create bundle
cmake: set bitmaps as resources

Resources (qrc file) are included on the binary.
It makes it easier to relocate the application.
cmake: set to use bitmaps as resouces, fix config

Set to use qucs.qrc containig the bitmaps.
These will be included on the binary and not installed anymore.
Added variables to configure the config.h header.
cmake: a bit of cleanup
cmake: revert, not include languages on the binary.

It seems that the translation files are shared among the Qucs
applications. They look up in share/qucs/lang for them.
add python scripts to the build
cmake: fix install of Qt translations
cmake: change some APPLE specifics
osx: fix cmake to bundle qucsattenuator

Also added images as resouces into the binary
cmake: set bitmaps as resource to the binary
add initial cmake for qucs-help

Only English (en) so far.
cmake: fix creation of translations

The translation target need to be added to the executable,
otherwise the .qm files are not compiled out of .ts files.
cmake: qucs-help, add other languages

All available languages are being installed.
cmake: build and bundle qucs-filter
cmake: build/bundle qucs-edit and qucs-lib
cmake: install manpages