Align branches with upstream

Aligns my working branch with the bitcoin 0.9 and darkcoin 0.11 branches.

Changes upstream:
- disable sslv3 in favour for tls for rpc client and server 0a94661
- limit number of new addressses to accumulate bb424e4

Bug fixes for Darkcoin:
- Wrong private key versions 6723c9e
- Internal wallet miner 8003eb4
- Init resource darkcoin c1aae9e

Misc for Darkcoin:
- Updates strings (Bitcoin -> Darkcoin)