* Added under the Resize tool like PR sharpening
* Adds FramingParams and FramingParamsEdited structs
* No parameter read/write implemented
* No support for batch mode
* No adjuster listeners implemented
* Signals and callback functions are defined but do nothing

* Added for ToolPanel listener and Adjuster
* Follows style of ConnectionBlocker for sigc::connection

* Adds FramingParams parameter struct to ProcParams
* Implement saving and writing to struct from framing tool GUI

* Implement writing FramingParams to keyfile
* Implement reading FramingParams from keyfile

* Implements edited param manipulation operations for framing tool

* Update partial profile load/save GUI to include framing tool
* Allows for loading/saving framing tool parameters from the clipboard

* Add new events to ProcEvents
* Add new events to refresh map under RESIZE category
* Add new strings for displaying events in history panel
* Hook up GUI events with emitting ProcEvents

* Set sensitivity of aspect ratio and orientation combo boxes
* Sensitivity determined by absolute/relative sizing method
* Show allow upscaling box for BBOX framing method

* Refactor simpleprocess.cc to be more clear on resize dimensions
* Implement image and frame sizing calculations
* Resizes the image based on adjusted framing calculations
* Missing functionality to draw border around image after resizing

* Draws border after all resize operations are complete
* Update the RGB sliders for 16-bit channels

* Add adjuster add/set options to preferences
* Update width/height limits
* Trim adjuster values
* Batch mode fixes
  * Display all settings with sensitivity
  * Add "(Unchanged)" option to combo boxes
  * Fix checked button toggle modes

* Compute image aspect ratio if required instead of leaving at 0
* Fix divide by zero error in computing framed size
* Compute resize scale based on original crop
* Reword "Current" aspect ratio to "As Image"

* Rename "Resize" to "Resize & Framing" from discoverability
* Add ColorPreview class for displaying a solid color
* Add border color preview

* Fix incorrect uniform relative border size calculation
* Fix minimum size requirements not being respected
* Drive-by code formatting changes