Use threads to read completions from current tabs
Disable New file by default (CMD+SHIFT+N is now up to the task)
Use export instead of will-save for trailing whitespace

This preserves whitespace in the currently open file,
which seems desirably. If the user needs to have its 
whitespace cleaned the source bundle command remains 
available.
Add open project's tm properties as CTRL+ALT+CMD+,
Use system ruby
Scroll up/down with cursor (ALT+PGUP/PGDOWN)