Add Tab Reload

Removed inline comments on recycle_bin.ahk because the key bindings w…

…ere not working on the Desktop

Updated documentation

Refactoring and additional features added:

* Leverage #Include to better organize optional key mappings
* Alt-Shift-L produce a pipe
* Cmd-G on Explorer trigger global search
* Added Support for MinTTY
* Cmd-Backspace is now mapped to DELETE

initial commit