Optimize
"<qt/>" ToolTipToRichTextFilter bug.

This very old GUI bug in ToolTipToRichTextFilter() that tooltip.startsWith must be "<qt>" and "<qt/>" must be end. This already fixed in Bitcoin source tree.
Import optimizations from cpuminer 1.3
GUI: improve mining page
Merge branch 'master' into cpuminer1.2
Show minng in gui if it was enabled with setgenerate true in spreadcoin.conf
Enable mining to separate address
Merge pull request #2 from awoland/patch-1

"<qt/>" ToolTipToRichTextFilter bug.
Merge branch 'master' of https://github.com/spreadcoin-project/spreadcoin
Merge branch 'master' into cpuminer1.2

Conflicts:
	src/qt/forms/miningpage.ui
Increase version
Merge branch 'master' into cpuminer1.2
Update README.md
Update README.md
Merge branch 'master' into cpuminer1.2
Fix daemon build
Output some debug info for cpu + small fixes
Use %u instead of %i for register output
Do not keep key when mining to specific address
Fix incorrect generated amount in explorer