This does remove the net* commands from the
Unix version that may return at a later date
with OSX and Windows support.
This commit also makes numerious other changes
such as code cleanup, reformatting, etc.
Closes#829
This splits notifications up into multiple backends
currently only libnotify on unix and win8 toasts.
The win8 backend was originally written by @leeter
though heavily modified.
TingPing