Merge pull request #242 from gavincornwell/master

Provided support for fixing MOBSDK-518 & MOBSDK-519
Fix: Removal of artificial filtering on task retrieval
Merge pull request #243 from tmughal/master

Fix: Removal of artificial filtering on task retrieval
Update build scripts to use latest iOS SDK when testing, rather than a hardcoded version
Merge pull request #244 from mikeh/master

Update build scripts to use latest iOS SDK when testing