Fixed some problems with the password prompt and stumbled upon some new
ones
Merge branch 'master' of https://github.com/Ndushi/iMat.git
Password prompt further refined
The password prompt should work according to expectations
Started on input validation
Fleshed out input validation, more work to be done though
Changed password icon, and attempting to succeed in pushing
Merge branch 'master' of https://github.com/Ndushi/iMat.git

Conflicts:
	src/imat/gui/Checkout.java