In CryptBitSet moved from using mode ints to a boolean for encrypt/decrypt.
Merge branch 'GSoC2014-crypto-api' of github.com:unixninja92/fred-staging into GSoC2014-crypto-api

Conflicts:
	src/freenet/crypt/KeyGenUtils.java
Removed processBytes in CryptBitSet. DSA now uses SecureRandom instead of RandomSource.
Added DSA SimpleFieldSet support