ENH: Improved binstar capabilities

Added ability to build binstar for Python 2.7, 3.3 and 3.4 across NumPy 1.8 and 1.9
Merge pull request #14 from bashtage/improve-binstar

ENH: Improved binstar capabilities
FIX: Fix setup issue when pandoc is not installed

Remove exception class so that all conversion exceptions can be caught.
Merge pull request #15 from bashtage/impove-setup-errors

FIX: Fix setup issue when pandoc is not installed