add gtkstyle in qt build

adress issue #22 (Qt apps looking non-native on e.g. Ubuntu)
fix shiboken and pyside meta.yaml

fix issue #23 (use of internal Continuum urls)
add qt compilation requirement for gtkstyle
Updated build script for pymc
Removed copiler flags from build.sh
Update recipe for pyne to work with staging
Bump build number for regex because I'm going to build it on CentOS
Merge branch 'master' of github.com:dan-blanchard/conda-recipes
Merge branch 'master' of github.com:ContinuumIO/conda-recipes
Merge branch 'master' of github.com:dan-blanchard/conda-recipes
Merge branch 'master' of github.com:ContinuumIO/conda-recipes
Add pycmd
Merge branch 'master' of github.com:conda/conda-recipes
Merge pull request #24 from pierre-haessig/qt-gtk-fix

qt recipe fixes
Merge branch 'master' of github.com:conda/conda-recipes
Add apr 1.5.0.  Includes apr-iconv-1.2.1 and apr-util-1.5.3.
Merge branch 'master' of https://github.com/pydata/conda-recipes
Add libtool 2.4.2.
First pass of DataNitro trial package.
Remove trailing whitespace.