* New data models for hotkeys and store the key bindings in settings
* Merge win and linux key bindings, remove generic key combinations, and add documents
* Add constant for platform specific mnemonic for menu shortcuts.
Modify top level menu elements with the shortcuts.
* Add global hotkey to show keyboard shortcuts
* Apply updates to mnemonics in menu bar allowing for alt-shortcuts
* Mod to color a :focus tab, for visibility when tabbing through controls
* Revert tabs style changes, focus F1 functionality for non-mac devices
* fixed#1172
Collection variable added to folder environment
* modified code implementation #1172
* refactored code
* feature implemented #754
Code implemented to show the sorce of variable
* #1155 fixed
* code restructuring
* fixed#773
Added hotkey alt+u which swaps variable name with value and vice versa.