add ChatForm:ClearFace()

Not added to ChatForm:Clear(), because scripts typically want to set the
face once for the entire Player/NPC dialogue, but clear the other chat form
contents for each dialogue node.
clear face when switching to candidate crew list. fixes #2647
modelviewer: display the ship's bounding box with the collision mesh
Merge remote-tracking branch 'johnbartholomew/modelviewer-show-aabb'
Merge remote-tracking branch 'johnbartholomew/issue-2647'
ocd fix
auto-commit: translation updates
move cameraZoom{In,Out} key bindings to a 'General View Controls' section
add English translation token for 'General View Controls'
declare key bindings for all the SectorView controls
add English translation tokens for all new Sector View key bindings
hook up all SectorView key bindings
Merge branch 'johnbartholomew/sectorview-keybindings'
auto-commit: translation updates
Add premake4 file tuned for code::blocks and windows
Remove VS2008 project. Pioneer uses C++11 features.
Merge branch 'cblocks'
Disable the render to texture entirely - works around issue #2661 and #2627

We can enable it again later once we figure out what's going on.
always remove ad on request, regardless of deleteFunc
AddAdvert now takes a table so we can extend it

retaining the old interface for now