Updated the menu order, set "settings" as last item in list
Added the resources for the send button
Have to set NewAPI lint as warning to make transparent buttons

Basically lint marks the transparent image background style as only
being present in api 11 and calls it an error, however it's a huge
PITA to add support for android < 11 and easiest solution is just to
leave it in and let those versions have a grey background for the
button...
Added support to disable the send button until they enter in text
Updated the counter to give a better limit, instead of always negative

The limit is approximately 88 chars with encryption enabled for it to
still be 1 SMS message however 100 is a rounder number...
Updated tutorial to disable walkthrough in settings when completed
Merge branch '1.3.0-dev' of github.com:tinfoilhat/tinfoil-sms into 1.4.0-dev