Added primordial Add Wallet function.
Merge branch 'master' into multi-wallet

Conflicts:
	src/com/bonsai/wallet32/WalletService.java
Merge branch 'master' into multi-wallet

Conflicts:
	src/com/bonsai/wallet32/WalletUtil.java
Merge branch 'master' into multi-wallet
Switched to maven build.
Added bitcoinj-hdw forward compatible private key serialization.
Made experimental features toggleable by tapping the walrus in the about page.
v0.2.6 candidate
Version 0.3.0
Maven build.