Implemented vertex autoselection even if vertices are not exactly identical.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'Release_1.0.0' into issue503_vertex_autoselection
Show the vertex coordinates as a bubble again.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'refs/heads/issue503_vertex_autoselection' into Release_1.0.0

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

Conflicts:
	Mac/TrenchBroom/TrenchBroom-Info.plist
	Windows/TrenchBroom/BuildNo
Drop invalid brushes in the parser.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Autosave regardless of the map being not dirty.

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