Remove action columns from forms

fix for fix for issue 102 :)
Make getComboboxOptions search in the entire value of a virtual attribute, not only the beginning
Merge pull request #105 from jhaagmans/master

Make combobox search in entire virtual attribute
Merge pull request #103 from AlexKovynev/patch-5

Remove action columns from forms
Minor update of Gemfile
Prepare 0.8.2
Update rspec
Merge branch 'master' of git://github.com/netzke/netzke-basepack
Grid with Locking Capability