fixed podspec so that it adds subdirectory support.
fixed podspec so that it adds subdirectory support.

tempire/ILPDFKit,tempire/ILPDFKit,Algarode/ILPDFKit,derekblair/ILPDFKit,iwelabs/ILPDFKit,conquermobile/ILPDFKit,derekblair/ILPDFKit,tempire/ILPDFKit,iphonic/ILPDFKit