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.
Merge branch 'master' into bitcoinj-hdw

Conflicts:
	TODO.md
	pom.xml
	src/com/bonsai/wallet32/HDAddress.java
Merged w/ master.