Added a landing page based on Ron's blog post at http://mastercoin.wordpress.com/?p=420&preview=true
Made the landing page a bit responsive.
If we try to go to the landing page, and we're logged in, bump over to the wallet overview page instead.
Adds message if no pending offers are available for your wallet
Add warning to save login link
Added separate modals to enter watch only addresses, private keys, and encrypted private keys.
Use full link in saving
Improve layout a bit.
Merge in master and fix welcome page conflict
Only let us add addresses to our wallet if they're valid.
Have to enter the private key passphrase twice in order to have it accepted.
Started adding validation to the encrypted private key import, but disabled private key import because I'm not done yet.
Merge branch 'fixes_milestone' of https://github.com/faizkhan00/msc-webwallet into Merge-16-01
Merge branch 'Login-Warning-2' of https://github.com/maddenpj/msc-webwallet into Merge-16-01
Merge branch 'Private-Key-Improvements' of github.com:curtislacy/omniwallet into Merge-16-01