added an append() method to arrays.
cosmetics.
renamed bokeh test suite to cameras.
try to find libboostpython in Ubuntu
Merge pull request #274 from est77/ubuntu_boost_python

Find Boost.Python on Ubuntu
implemented a spherical camera, plus many refactorings around cameras.

also:
  - renamed the diagnostic surface shader mode "wireframe" to "screen_space_wireframe".
  - added a new "world_space_wireframe" mode to the diagnostic surface shader.
  - added a #define to switch to 3ds max vector conventions when shading vectors in the diagnostic surface shader.
Merge branch 'master' of github.com:jupiter-jazz/appleseed
Merge branch 'master' into osl2
Added compile time option to enable QMC
Update globaltypes.h

Addressed Franz comments
Merge pull request #275 from est77/qmc_option

Added compile time option to enable QMC
added 'save image' and 'quick save' image buttons to the rendertab
reversed regression
formatting beautification
Merge pull request #277 from jonathantopf/ui_buttons

Added 'save image' and 'quick save' image buttons to the rendertab.
cosmetic and formatting fixes.
tweaked tooltip text.
refactorings and cleanups.
refactoring.
fixed conflict