Merge pull request #133 from gavincornwell/master

Remove private methods from AlfrescoContent and remove modification of query statements in SearchService
Merge pull request #134 from gavincornwell/master

Another attempt at improving the AlfrescoContentFile initialisers.
modified most unit tests to take in file/folder names with randomised strings to avoid collisions. The names are defined in the BaseTest class.
MOBSDK-558: added unit test that checks the version label when an updated version of a document is uploaded. Only works on Cloud
latest SDK in samples apps
Merge pull request #135 from pwschmidt/master

MOBSDK-558/573/578
MOBSDK-558: versioning and other changes (and hopefully improvements) to Unit tests
MOBSDK-590: There is no way to retrieve a rendition image for a document using an output stream
Merge branch 'master' of https://github.com/Alfresco/alfresco-ios-sdk into topic-MOBSDK-590
Merge pull request #136 from tmughal/master

MOBSDK-590
Merge branch 'master' of https://github.com/Alfresco/alfresco-ios-sdk
merged changes from Taz
MOBSDK-588, 558
Merge pull request #137 from pwschmidt/master

MOBSDK-558/588
MOBSDK-542: pass in CMIS custom binding to override default binding selection
Merge pull request #138 from pwschmidt/master

MOBSDK-542
MOBSDK-559: replace any use of ASCII with UTF8 strings.
MOBSDK-495: respond to authentication challenges posed by self-certified servers. Both AlfrescoSDK and CMIS lib
Merge pull request #139 from pwschmidt/master

MOBSDK-559/495
MOBSDK-593 (Permissions), MOBSDK-495 (SSL handling via session parameters)
Merge pull request #140 from pwschmidt/master

MOBSDK-593/495