Make envmap reflexion less blurry
Fix sqrt(int) in diffuseenvmap
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
Fixed file extension.
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare

keep compatibility with master
Fix issue #1108
Merge pull request #1684 from Alayan-stk/patch-1

Fix issue #1108
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare
Fixed #1680 (notification shown at wrong place after changing resolution).
Merge branch 'master' of github.com:supertuxkart/stk-code
Added some asserts to narrow down #1685.
Fixed #1687 (time too long when using many karts in ftl)>
Merge branch 'master' of https://github.com/supertuxkart/stk-code into lensflare
Fixed compilation.
Apply patch from upstream irrlicht which allow to compile it on windows using clang.
Disabled warning messages if the automatically created disabled
textures are not in the texture cache.
Merge branch 'master' of github.com:supertuxkart/stk-code
Fixed mingw compilation in release mode.