#163. Added pricing into the appearance tab and backend controller.
#163. Backmerge with master.
#163. Fixed minor issues in admin area.
#383 Synamic prices. Set start based on individual price, default end, auto adjust range, adjust Y axis.
#383 Commit with changes by comments @drdla
Save bulk operation descriptions
#383 A few formal adjustments
#383 was that a tab!?
#383 Re-built assets
#422. Added correct price function, price of post saved.
#422. Backmerge with master.
Improved wordings
#422. Fixed js global price, issue with empty categories selects.
#422. Added check of affected price types, some enhancements of code.
#422 Improced documentation and method names
#422. Affected should be used only with global and category price types.
#422. Backmerge.
#422. Implemented change post price type value function.
#422. Added revenue model save on price type value modification.
#422 Improved documentation