Merge branch 'RefactorBranch'

update MessageDisplayKit.podspec 0.2.9

update MessageDisplayKit.podspec 0.2.8

update MessageDisplayKit.podspec v0.2.7

update MessageDisplayKit.podspec v0.2.6

update MessageDisplayKit.podspec v0.2.5

update MessageDisplayKit.podspec v0.2.4

update MessageDisplayKit.podspec v0.2.3

Update MessageDisplayKit.podspec v0.2.2 file

Merge pull request xhzengAIB#119 from yourtion/master

Fix pod error AudioToolbox