Added highlighing of transporter warnings and errors
Added link to sigh
Fixed spelling
Improved handling of iTunes transporter errors

Added more details for redundant binary error
Added unit test for failed transporter upload
Centered table of content
Added instructions to use Deliver in combination with Snapshot
Added code to check if mocking files were set correctly
Fixed not overwriting the config from the metadata.json

Added unit test for that
Fixed failing transporter if it recovered itself

Upated tests
Added recursive search for screenshots in language folder

Updated tests
Version bump
Merge remote-tracking branch 'upstream/master'