[iOS] Add If-Match and Precondition handling to DeleteWithItem
Merge branch 'dev' into deleteWithOC
Add test for empty JSON object in body
Merge pull request #239 from toddreifsteck/deleteWithOC

[iOS] Add If-Match and Precondition handling to DeleteWithItem
* Optimized the memory usage of operation queue by not keeping operations in memory
* Removed Bookmark operation. Now Push will push all that is in the queue.
* PendingOperations is a long now
* Minor code cleanup and refactor
update readme to Microsoft Azure
Merge pull request #262 from matt-gibbs/updateReadme

update readme to Microsoft Azure
* Added test projects for Xamarin.IOS and Xamarin.Android
* Updated the SQL PCL nuget package reference
Changed the ToolsVersion to 4.0 in Microsoft.WindowsAzure.Mobile.Ext.Win8.csproj
[offline][client][managed] Do not remove unsuccessful operation from the queue and replay on next push
[offline][client][managed] Optimize memory usage in test apps to prevent crash with out-of-memory exception
Merge pull request #263 from hasankhan/testfix

[offline][client][managed] Optimize memory usage in test apps to prevent...
[offline][managed] Added integration test for purge
[offline][managed][xamarin] Exclude tests that don't pass on xamarin.ios
Merge pull request #264 from hasankhan/xamios

[offline][managed][xamarin] Exclude tests that don't pass on xamarin.ios
iOS Offline
Updates to match managed code SDK
Fill out documentation in classes
Merge pull request #268 from phvannor/offline

Offline
Update TableOperation API, Fix core data delete

Moved the item property to the public api on table operations, removed
the constructors, and fixed core data store delete to use the passed in
query correctly