Upgrade forms module to controller

(from [b8f7010fef6244a565450afad1acf257337d3470]) Initial commit of Forms module v2.0, includes all the features of the old school module except append form controls. A form is now site wide and must be attached to a module, but the commands are in the module view [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/b8f7010fef6244a5...

(from [05ce912d3b01a055a346a773798851902309fe46]) Adds 'placeholder' property to text controls, adds forms upgrade script (still need forms migration script) [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/05ce912d3b01a055...

(from [2231b6f5afd6988dfe57d9e80f82d253015a097f]) Fixes some display messages when form is not yet assigned, etc... [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/2231b6f5afd6988d...

(from [c036a28b16e06836e59ba6710d334d1122cc884f]) Fixes some anomalies with tabviews and adds new form control features to installation/upgrade correcting some anomalies there, and fixes a breakdown in the upgrade forms upgrade script [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/c036a28b16e06836...

(from [4d0310ca1cb948c43adfebc00b1d80e50c96e989]) Fixes upgrade_forms script to actually rename old form data table and account for bad forms in the container table, updates sample data for new forms module, fixes design form to allow re-ranking controls [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/4d0310ca1cb948c4...

(from [be02e94488ddaf3eea44e866c37cc5c72efa7b9e]) Updates migration of 0.9x contactmodules into 2.0 forms (still lack formmodule to forms migration) [#140 Upgrade forms module to controller] https://github.com/exponentcms/exponent-cms/commit/be02e94488ddaf3e...