Remove unnecessary engine releases within script engine lifetime
Merge branch 'master' of https://github.com/supertuxkart/stk-code into ScriptCache
Added basic caching for scripts
Preparing lens flare branch
Add the lensflare shader
Add 'handicapped' to player name
Don't handicap AIs
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare

Keep lens flare updated with master
minor modification to the blueish mood of lens flare
Enable m_support_sdsm by default
First try to prevent #1566: kart chassis appears inside of terrain.
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare

Keep lens flare updated with trunk
Unify I18N attributes in screens
Fixed file extension.
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare

keep compatibility with master
Merge branch 'master' of https://github.com/supertuxkart/stk-code into ScriptCache
Added map container for script cache
Added basic line callback
Disabled callback for now
Fix issue #1108