[sublime keymap] Add Ctrl-Enter and Shift-Ctrl-Enter
[sublime keymap] Clean up ctrl-enter patch, add tests

Issue #2354
[sublime keymap] Added new bindings and corrected swaplines

"Shift-Ctrl-K"            Delete line
"Ctrl-K Ctrl-K"           Delete line to right
"Ctrl-K Ctrl-Backspace"   Delete line to left
Swapline                  scrolls with the cursor
[sublime keymap] Fix formatting, delLineRight binding

Issue #2354