Merge pull request #1573 from mollybostic/master_0904

fixing validation error
Mobile: final updates for links to the new package registration topic
replaced content with new para per Matt Shelton
Merge pull request #1575 from pennij/mymaster_thur0905

replaced content with new para per Matt Shelton
Merge pull request #1574 from ggailey777/zumo_master

Mobile: final updates for links to the new package registration topic
fixed markdownverify error
Merge pull request #1576 from Justinha/09112013Working

fixed markdownverify error
Updating iOS custom events tutorial
Merge pull request #1577 from krisragh/test_0911

Updating iOS custom events tutorial
updating properties section