Styling changes
Added getUserDefaultPresetId function
Bug fixes. Default preset feature added.

* Added correct button by default for switching to Playback mode from
Live View
* Radio buttons added on the "Choose Preset" modal to select the default
preset for the current user account
Code cleanup. Functions added to handle setting a default user preset.

* Removed old functions which were from an internal release a few months
back
* updateUserDefaultPreset()
* userTableInsertPresetColumn()
* userTablePresetCheck()
Can now set a default preset for the user account