[FIX] Unconfirmed Wallet Balance

Fixes #646
Update POOLS.md
Update README.md
[FEATURE] Adding hashrate modifiers

* Allow admins to set hashrate speed displays via admin panel
 * Personal
 * Pool
 * Network
* Allows for easier integration of SHA coins

Fixes #652
fixed cryptsy API example
Merge branch 'issue-652' into next
to btc
Merge remote-tracking branch 'upstream/next' into next

Conflicts:
	public/templates/mmcFE/global/header.tpl
Update wallet.inc.php
Merge pull request #656 from TheSerapher/issue-646

Issue 646
fixing website name in pub api
fixing cryptsy again, ty @Metice
Bitcoin Wrapper improvements

* [FEATURE] Allow for PoS/PoW Detecion in getdifficulty
* [FEATURE] Allow for SHA detecion in getnetworkhashps
* [IMRPOVEMENT] Added caching for bitcoin values (30s only)
 * Will reduce the amount of RPC calls for high load pages
use new bitcoin method wrapper for public API
use bitcoin wrapper method for getdiff calls
use wrapper to fetch last network block
adding cold wallet coin display and setting
Also show negative cold coins

Fixes #660
[IMPROVEMENT] Adding incremental round/user shares

This will address #510. It needs thorough testing and is a WiP but
is a start to improve cron runtime and DB loads.
[IMPROVEMENT] Support incremental contrib shares