Added "navigate up" menu item.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Windows build no bump

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

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Version no bump

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

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

Conflicts:
	Mac/TrenchBroom/TrenchBroom-Info.plist
	Source/Version
	Source/View/MapPropertiesDialog.cpp
	Windows/TrenchBroom/BuildNo