Minor fix

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Add option to invert the zoom direction when using alt+mmb to zoom the camera

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'master' into Release_1.1.0
Correct version no.
Merge branch 'master' into Release_1.1.0
Merge branch 'master' into Release_1.1.0

Conflicts:
	Source/Version
Minor changes
Merge branch 'master' into Release_1.1.0

Conflicts:
	Windows/TrenchBroom/BuildNo
Build no increased
Updated version no to 1.1.3
Update change log.
Merge tag 'Release_1.1.2'

Release Tag