Phase 1 of MOBSDK-655. Removed workflowInfo from AlfrescoSession and removed session from all initWithProperties methods for model objects.
Merge pull request #224 from mikeh/master

SDK Samples updates following recent SDK changes
Phase 2: AlfrescoRepositoryInfo and AlfrescoRepositoryCapabilities are now generated by the AlfrescoRepsoitoryInfoBuilder class. Also fixed some issues with parsing IDs on 3.4 servers introduced in previous commit.
Phase 3 of MOBSDK-655: Consolidated previous services into single AlfrescoWorkflowService.
Final phase 3 of MOBSDK-655: Renamed several methods to follow Apple naming conventions and to be consistent with Android WorkflowService.
Merge branch 'topic-mobsdk-655'
More cleanup; corrected licence headers for AlfrescoCMIS files, removed annoying debug statement and added some capabilities tests.
Merge pull request #226 from gavincornwell/master

MOBSDK-655: WorkflowService refactor
Follow-up to pull request #226
- Fix exported header file list & AlfrescoSDK.h
Follow-up to pull request #226
- Clean-up unused imports & properteis
SDK Samples & HelloRepo: Remove unised imports.