autocomplete: case insensitive string comparision.
kraken: dependency pb_lib added
georef: function added for builder_helper.
ed: functions added.

These functions are presently used in
autocomplete functional tests.
autocomplete: functional tests initialized.
autocomplete: correction after remarks

Comments added.
georef: function add_admin deleted.
Merge pull request #437 from kadhikari/autocomplete_test_functional_init

Autocomplete test functional init