Some minor cleanups to WWaveformViewer.
Don't waste time rendering hidden waveform widgets.
Prevent infinite-recursion when changing synchronized zoom on waveforms that share the same group.
Fix a bunch of minor style issues in waveform/.
Change permissions of build.h file
Add values from stat
Bug #1292291 - Recording data aren't updated
Merge pull request #196 from cardinot/Bug#1189210

Change permissions of build.h file
Add some broadcasting comments.
Use HighPriority for the sidechain thread. Possible fix for Bug #1194543.

See discussion on Bug #1194543 and Bug #1270583.
Merge pull request #198 from cardinot/recording_update_trackInfo

Bug #1292291 - Recording data aren't updated
Fix removal of directories on uninstall in NSIS. Fixes Bug #1174413
Don't pre-check the internal enabled flag when toggling decks.
Fixes lp:1138316
Store the number of configured decks in the soundmanager config.
Make interface slightly more sane.
Only correct deck count for ins and outs that refer specifically to deck counts.