Fixed Flop bug

Did always reset when pressing R, not only when press+hold
Removed using MouseStates in ApplyTransform (Mouse)
Minor Changes
Merge pull request #213 from DominikKoller/ApplyTransform_Mouse

ApplyTransform Mouse, minor fix
Merge pull request #214 from DominikKoller/PolygonEditor

Polygon editor
Added Stopwatch option (not ready)
Merge pull request #215 from DominikKoller/PolygonEditor

Removed unused file TagVertices_old
polygoneditor helppatch
Merge pull request #216 from DominikKoller/PolygonEditor

Fixed Colours in View
Merge commit '2094d20881efff252aca97453830dd2c4240e36a' into develop
added ActiveWindow node
split at fix
fix again for splitat
Improved Camera Handling
Updated helppatch
Merge pull request #217 from DominikKoller/Camera2d_Flat

Camera2d flat
Merge commit 'bc5a2cca2b5baf1c44929d1092a8ca60199a6576' into develop
helppatch cosmetics
Merge branch 'develop' of https://github.com/vvvv/vvvv into develop
Mouse should not get clamped to -1 and 1 by join/split nodes anymore.

Fixes #680