ENH: Remove ApplyWarp that is superceeded by BRAINSResample.
ENH: Add better exception catching and reporting.
COMP: Remove #if 0 clauses

I also removed 3 header files whose entire contents
were inside #if 0, and weren't being included anywhere
Merge pull request #37 from Chaircrusher/Rm_If_0

COMP: Remove #if 0 clauses