Minor fix.

Added missing semicolon.
(1) Added a JSON-RPC server (PHP) - client (Javascript) communication protocol to complement current ajax.php / ajax_utils.js crude Ajax communication. Several of the old calls should be ported to the new protocol. (2) Limited the number of jobs in the queue table to 100 to prevent the application getting stuck in retrieving and updating the table.
Merge branch 'devel' of github.com:aarpon/hrm into devel
The bin/ome_hrm script was not executable in the repository.
Test service hook between github.com and hrm.svi.nl/redmine.
Added JSON-RPC functionality to check for updates.

The admin can now check for the availability of updates from within the
HRM.
Changed the icon for the update check.

Icon from the Oxygen icon set.
JSONRPCRequest() is not in ECMAScript 5 strict mode.

Additional formatting.
Added support for a special value (1) for the ZStepSize parameter for 2D datasets.
Minor fixes.
Minor edits

Minor edits in the code comments.
Allowed '&' and '!' characters in passwords.
Dummy change to test access to remote branches.
Minor corrections in comments

Small fixes.
Fixed bug #103: Error message containing raw credentials on LDAP (AD) failure.
Fixed issue #99.
Added a disclaimer to inform the HRM/Omero users that importing data from Omero as ome.tiff may not contain the original metadata.
A number of actions such as uploading an image, deleting an image, etc created a Div mess if the Omero treeview was already displayed. Fixed by first "closing" the Omero div and afterwards showing the Div of the requested action.
Fixed bug #102: SNR estimator lists no images on OME-TIFF input format.
Minor fix related to issue #99.