using ruby-1.9.3-p327 patch version
[#56952219] using the latest S2 version (3.0.0)
[#56952210] fix the search specs
fix CAS DB initialization
initial label_printer's persistance refactor

It is not a working version, yet.
removed label_printer's sequel persistor
added primary keys table migration
fix the label_printer persistor
fix the bulk_create_action spec
Merge pull request #57 from ke4/56952210_migrate_lims_support_app_to_use_s2_v3_0_0

56952210 migrate lims support app to use s2 v3 0 0