GitLab

Upgrades:
1) Added string for file upload only supported (shouldn't be seen but a boundary case - better to see something if this occurs).
Adjusted the send/receiver accordingly
2) Added Catalan strings.xml

Updated version details in the Manifest to match

Upgrdaed the RestClient to use mobileuploads.php json response

Also thanks to Kristina Hoeppner for the previously committed German translation.

1) DE strings
2) Added back in support for additional files types
2.1) fixed a new related bug when a files with spaces in their names

Added logging class and wrapper for debug / verbose logging so they are excluded from non-debug builds