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
testing new no_softlink option
remove unused code
Start pyqt recipe
Add a recipe for sip

Only works on Mac OS X for now
sip should depend on Python (I think)
Test sip import
fix name of sample recipe
Some more attempts at pyqt
Fix sip for linux