Merge pull request #231 from tmughal/master

MOBSDK-677, MOBSDK-678
Merge pull request #232 from tmughal/master

MOBSDK-678: Unable to start process with an attachment
Merge pull request #233 from tmughal/master

Fixes a public/legacy consistency issue for tasks on a process
Added pragmas for easier code navigation
Fallback implementations for includeVariables request on Public API
Merge branch 'master' of https://github.com/Alfresco/alfresco-ios-sdk