IA5 : Updated descriptors for the Objective C plugin.
IA5 : Ignore Appcode stuff.
IA5 : Updated runtime to ARC.
IA5 : NSArray for object arrays.
IA5 : Fixed import.
IA5 : size_ instead of size everywhere.
IA5 : Fix for string arrays.
IA5 : Removed unused listCount.
IA5 : Does not generate   set$capitalized_name$Values interface for String arrays.
IA5 : Corrected description and has for enum arrays.
IA5 : Added explicit cast.
IA5 : Fixed tests.
IA5 : Removed erroneous qualifiers for primitives.
IA5 : Corrected description and hash for types using PBArrays.
IA5 : Updated descriptors to Protobuf 2.5.
Merge branch 'feature/IA5protobuf2.5' into develop
Updated README.
Updated README and CREDITS.
Merge branch 'release/Protobuf2.5' into develop