Merge branch 'release/Protobuf2.5'
Merge branch 'release/Debug'
Fixed missing array copy in generated setXXXArray method for repeated message fields.
support cocoapods
Merge branch 'develop'

Conflicts:
	Protobuf-objc.podspec
	src/compiler/objc_message_field.cc

Signed-off-by: Superbil <superbil@gmail.com>
add Superbil at credits
update master commit sha1 on protobuf-objc.rb

Signed-off-by: Superbil <superbil@gmail.com>
add license file

* fix credits file
update cocoapods's commit hash value
add some usage on using protobuf-objc

Signed-off-by: Superbil <superbil@gmail.com>
Let protobuf-objc.rb work on 2.5.0
Merge branch 'hotfix/limitOnProtobuf250'
Merge branch 'master' into develop