XML-Print Webservice

Fixed a problem where tomcat did not return the POST content of a request if a parameter was accessed before the InputStreamReader was initialized.

added the following features and bugfixes: projectid typo, bg color for active tabs, border for active fragment/link, close button for tabs

For compatibility reasons with TextGridLab the metadata handler now returns an Object instead of a MetadataContainerType.

added use of metadata to load document titles

Cleaned up imports

Added REST request to query metadata for TextGrid objects

added functionality jump to selected target

Added REST interface to query username from session id from tg auth

fixed color highlighting
fixed reload after add and delete
optimized highlighting

Fixed some problems with helper classes