Declare renderclient method as static.
The g++-4.8 compiler made me do this.
Comment out copy methode.

The method is already pure virtual.
fixed bug which caused shader precompilation to always fail
Merge branch 'develop' of github.com:vrsys/guacamole into develop
fixed non-copied shadow mode parameter
Version bump.
Merge branch 'release/v0.8.5' into develop
Add GL debug output capability
minor fixes
Merge branch 'develop' of https://github.com/vrsys/guacamole into develop
- temporary fix for lazy pipeline instantiation
fixed multicontext handling in video3d
Merge pull request #50 from scholli/develop

Develop
Fixed wrong error message for video node
Merge branch 'develop' of https://github.com/vrsys/guacamole into develop
Merge pull request #52 from scholli/develop

Develop
Use std::atomic<bool>.
Remove debug message.
removed hostname check