corrected documentation of coin majurity time

Conflicts:
	src/qt/locale/bitcoin_zh_CN.ts
Fixed a bunch of mismatched translation strings and mentions of Litecoin
Merge pull request #291 from leofidus/translation-fixes

corrected documentation of coin maturity time
Merge pull request #292 from leofidus/translation-fixes2

Fixed a bunch of mismatched translation strings and mentions of Litecoin
Merge branch 'develop' of https://github.com/dogecoin/dogecoin into develop