Issue #53 - Insert dashes between 4-5 and 8-9 positions of the RecordId

* Increase the Id length
* Fix Record list query
Issue #53 - Enable response deletion only for saved responses

* Rename option to 'Delete Response'
* Check 'finished' flag to enable/disable deletion
Issue #32 - Fix record Search

* Add global survey group id - ugh
* Filter the records depending on that id
* TODO: get rid of the global variable
Issue #32 - Display download indeterminate icon