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
Revert "Upgrade distribute recipe."

This reverts commit 8754b1f70e68d44e7fc37dd41557e237becbb67a.
Merge branch 'master' of github.com:ContinuumIO/conda-recipes
Added twitter
Updated build script for pymc
Removed copiler flags from build.sh
Merge branch 'master' of github.com:ContinuumIO/conda-recipes
Added recipe for guessit 0.6.2 package
Added recipe for continuumweb 1.0.0 package
Added recipe for scrappy 0.2.10-beta-11 package
Added recipe for pyopengl 3.0.2 package
Added recipe for cvxopt 1.1.6 package
Added recipe for rproject 3.0.2 package (r package)
Added recipe for rpy 1.0.3 package
Added recipe for pytools 2013.5.7 package
Added *.swp entry to .gitignore file
Added recipe for pycuda 2013.1.1 package
Removed ldconfig invocation from rproject recipe