Add Transifex configuration file to store the project’s details and the file-to-resource mappings.
Change Transifex config file from using GNU gettext .pot template and *.po translation files,  to using QT`s *.ts file format for both template and translation files
Respect existing naming scheme for translated files. Change Transifex config accordingly.
Merge remote-tracking branch 'origin/master' into master-translations-update
Started work on added drag and drop from deck to deck
Added WTrackProperty droppedTrack functionality
Add <Transform> support to <Connection> blocks in the skin.

Adds a general ValueTransformer class that does simple, invertible
transformations on numbers. We could re-use this in other places, e.g. MIDI
mappings to allow customizability to advanced users.
Merge branch 'master' into transform

Conflicts:
	src/skin/legacyskinparser.cpp
Allow differnt states and pixamp counts
Fix endless loop if we have more States than declared by NumberStates
Use <?ClickIsPushButton> parameter to calculate the effective m_?ButtonMode
introduced setControlParameter and related call tree.

This way it is not required to set the <EmitOnDownPress> for <SliderComposed>
in skins. Its value  was ignores anyway.
switched remaining setControlParameterDown/Up double to setControlParameter
No need for left and right connection in a combobox.
Removed null setControlParameter?Up
removed unused code
removed unused Left/Right dependency in WOverview::mouseReleaseEvent
moved "wheel" connection to WWaveformViewer
Converted COTs to COSs in WWaveformViewer
Make wslidercomposed Button independent