Wordsmithing of root readme file for Screens.
Edits.
Wordsmithing.
Fixes to text formatting.
Wordsmithing for iOS project library readme.
Merge pull request #48 from ngaskill/docs-edits

Merge documentation
LMW-82 use computed properties instead of setter methods
LMW-82 use only one property
LMW-82 add base connector: it’s a task that could be queued and prioritized.
LMW-82 add login connector
LMW-82 apply connector to widget
LMW-82 add connector to signUp widget
LMW-82 add files to project
LMW-82 Connector attribute added to base class
LMW-82 Enum changed back to plain string because of compatibility with ObjC
LMW-82 Changed view class to protocol in login widget
LMW-82 Moved classes
LMW-82 Moved auth related widgets
LMW-82 Renamed folders to add Widget suffix
LMW-82 Move to connectors folder