Merge pull request #942 from mollybostic/master_0131

fixing validation error
Grammaticall fixes
bug fixes
Merge pull request #943 from blobaugh/master

Grammer fixes
#944 - Updating iOS Media Player Framework topic
Merge pull request #945 from davidwrede/nimbusiOS

#944 - Updating iOS Media Player Framework topic
Merge pull request #947 from pennij/master

Bug fixes
removing extra space