Feature request - flexible event registration 'show' view

(from [11eaffd7d7bdf77f9ff22770da691e71fe2fe270]) Prep for addressing event registration 'show' view; revises slingbar menu structure with icons for ecom menu and moves manage definable fields to ecom menu since it's only used there [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/11eaffd7d7bdf77f...

(from [a1997d46f2879c6aa025ce4c7c310956af208ed4]) Prep for addressing event registration 'show' view; fixes edit er options display toggling [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/a1997d46f2879c6a...

(from [982fed2c6244b553d76864a5564cef91403e9de3]) Prep for addressing event registration 'show' view; revises store category popup menu to resemble page tree popup menu [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/982fed2c6244b553...

(from [623529cc597ef26fdb2b0259cfd4edcec33f607f]) Prep for addressing event registration 'show' view; tixes to expDefinableFields tables to get them working again [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/623529cc597ef26f...

(from [a26917a7c242281db9347b0f695f292dc7402853]) Initial work to get expDefineableFields working again (though they were never fully implemented and we may go with our new forms module) [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/a26917a7c242281d...

(from [885a128edfe53b9f449eeafa78c0fd47b3aa4745]) Fixes some issues with new event registration computations, esp in regards to events with NO form assigned (yes you can still use them as very simple purchases with only the name & quantity being stored) also reverts to accurate calculation of number registered instead of storing that data with the event itself [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/885a128edfe53b9f...

(from [c093450f2e65a18653ba39de4547e8306988d093]) Fixes some anomalies with complex forms in muti-registration...though we don't limit number of controls, we strip out static text controls and add horizontal scrolling [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/c093450f2e65a186...

(from [eee1befef13764aeadbd2b81dce7524a46d68d5e]) Now does better job of capturing customer name on guest checkout of non-form event registration [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/eee1befef13764ae...

(from [d0146e6cca0fff8ae125d9c70a9d7a5b71402152]) Updates store database sample to work with current code & fixes sample store files to be extracted correctly [#981 Feature request - flexible event registration 'show' view] https://github.com/exponentcms/exponent-cms/commit/d0146e6cca0fff8a...

(from [0e353945a12cf35951a5c56ad260a7376c16d80d]) If checking out with $Zero cost, will not display billing calculators; fixes issues related to 'paid' status of order so we can view in event registration, but also update/change it within the order; [#981 Feature request - flexible event registration 'show' view] [#734 Feature request - Add a FREE and/or Pay Later payment method state:resolved] https://github.com/exponentcms/exponent-cms/commit/0e353945a12cf359...