ZDoom language configurations update
- Added STYLE_Shadow and STYLE_Subtract constants to ACS.
Merge pull request #161 from Blue-Shadow/master

ZDoom language configurations update
Fix build without SFML render window in OpenGL canvas
Merge pull request #162 from alexey-lysiuk/fix_ogl_nosfml

Fix build without SFML render window in OpenGL canvas
Don't show mouse dwell tooltip in text editor if the cursor position is invalid

Fixes #160
Some tweaks to 'Square+Sprite' and 'Framed Sprite' thing display
Fix blank line in UDMF thing info overlay
Fix some problems with the thing properties panel

- Actually apply special/args values
- Fix crash on applying changes (Fix #163)
- Fix crash on opening properties for multiple things
Replace opengl thing direction chooser with custom control

Couldn't get the opengl canvas to behave correctly in linux/osx for some reason. No fancy arrow but might add it back later
Fix potential crash in thing properties panel
Bump version to beta 5
ZDoom language configurations update
- ACS:
  - Added STYLE_AddStencil and STYLE_AddShaded constants.
  - Added ChangeActorAngle and ChangeActorPitch functions.
  - A minor fix in SetActivator syntax.
- DECORATE:
  - Added AddStencil and AddShaded render styles.
  - Added CHAN_* and SPF_INTERPOLATE constants.
  - Added "flags" parameter for A_SetAngle.
- MAPINFO: Added DontCrunchCorpses flag for gameinfo block.
Merge pull request #165 from Blue-Shadow/master

ZDoom language configurations update
Fixes for ThingPropsPanel

- Actually save entered Z Height and TID
- Don't apply thing type 0 if no type set (multiple selection)
Merge branch 'master' of https://github.com/sirjuddington/SLADE.git
Initialise/copy thing type and action special arg count properly

May have been causing crashes in the thing properties panel
Rearrange/tweak start page

Should look better with older versions of IE (WinXP), and allows the recent files list to expand more in case of long filenames that get wrapped
More mior tweaks to start page
Various additional map editor colour configuration settings

- New ColourConfiguration 'theme' section, has settings for line hilight/selection width and (textured) flat alpha multiplier
- Updated/improved 'Clean' colour configuration
- New 'Doom Builder 2' colour configuration
Fix potential crash loading executables.cfg

Not sure how people are getting a blank one...