For #1808: Default configuration parameters for HTTP client
For #1808: Refactor and improve namespacing

- HttpResponse returns Content
- remove unneeded Either
- resources: only namespace Ajax requests and CSS
Process syntax: support single quoted strings
Fix #1785 "FB: Incorrect copy/paste of control with warning constraint"
Remove unused function, minor refactoring
Project file
Update list of available languages
README
For #1808: More logging
Proxy portlet logs init/destroy
Remove unneeded function
For #1850: Get parameters from portal URL

- also reindent code
Send process: pass form-version by default
Don't forward Content-Type header by default
Fixes for oxf:url-serializer, comments
Fix #1858 "Autosave doesn't show drafts dialog if form has no explicit permissions"
FB: i18n confirmation dialog