Added about dialog.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Added "Selecting objects" section. 

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Updated "Editing objects" documentation section.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Added some screenshots for "Editing objects"

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Changed help layout to use frames and a TOC tree. 

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'master' of https://github.com/necros0/TrenchBroom

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>

Conflicts:
	Resources/Help/Documentation/scripts/commands.js
Added VC++ temporary build folder to .gitignore.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Added cheat sheets.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Show size guides when resizing brushes.
Merge branch 'master' of https://github.com/necros0/TrenchBroom

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>

Conflicts:
	Resources/Help/Documentation/scripts/commands.js
	Resources/Help/Documentation/working_with_textures.html
Added images and did some cleanup for the "Working with textures" section.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Better selection of dragged face in ResizeBrushTool.
Added documentation for brush resizing and clip tool.
Added doc images and allow specifying Alias frames in .def files.
Use correct frame when determining alias model bounds.
New about dialog.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Added about dialog to Linux project.
Adapt VC++ project to changes in about dialog.
Don't call SetSizerAndFit on EditorFrame, this makes the window
non-resizable on GTK.
Fix some layout problems on Linux.