Increment version to 1.6
Add TwoInOneOut and OneInTwoOut processor templates
fixes #759
fixes the windows installer - installer hook wasn't renamed when module creator executable was renamed
added skin for checkboxes
Improved appearance of tick button - doesn't display a tick when not selected

Updated appearance of midi button to match new tick button
Fixed problem with hidden files in module creator's implementation directory - now it skips them
fixed #757
added 'are you sure' prompt to module creator's unused file deletion tool
Correct path for documentation in Module Creator
Remove unused image from documentation/
Renamed MonoProcessor, MonoGenerator, MonoAnalyser to Processor, Generator, Analyser following our standard naming convention
RingModulator update
Add new module development documentation
Partial extractor modified, insertion of Perceptual Loudness
New module

Spectral Centroid
Merge branch 'release-1.6' of https://github.com/BirminghamConservatoire/IntegraLive into development
New Module: SPAT (start of development)