Support SDL_CONFIG environment variable in update-workspaces to pick
non-default sdl-config.
Avoid non-standard use of SDL/ in include paths.
This was SVN commit r10895.
Simplify hotkey system to use strings consistently.
Restrict scope of GUI hotkey bindings to the associated page.
Avoid hard-coding list of hotkeys.
Clean up the code a little bit and fix some bugs.
Remove unused "!" prefix for key negation.
Fixes#567.
This was SVN commit r8444.
. the massive renaming undertaking: camelCase functions -> PascalCase.
. add some cppdoc.
. minor additional renaming improvements: e.g. GetIsClosed -> IsClosed
. in entity code, replace constructs like "pvec = new vector; return
pvec; use *pvec; delete pvec" with a simple stack variable passed as
output parameter (avoid unnecessary dynamic allocs)
. timer: simpler handling of raw ticks vs normal timer (less #if)
This was SVN commit r5017.
