Update MinCoin name changes and website URL changes

Changed occurances of "Mincoin" to "MinCoin".
Changed references of www.mincoin.org and www.mincoin.info to new
"mincoin.io" domain.
Initial commit for Feb 2014 UI update

Added support for an external stylesheet to the app.  Additional work to
change the overall look and layout of the wallet's GUI.
Added working .ts translation files back in

Had accidentally left the </qresource> tag open when deleted all
translation files for testing. .qm files not working so leaveing them
out still.
QHeaderView compatibility change in Qt5

Changed as per https://qt-project.org/doc/qt-5.0/qtwidgets/qheaderview-
compat.html
More readme fixes

Fixed a couple details that were lingering from old versions and
LTC code.
UI updates for Mincoin-Qt wallet beta

Multiple updates to the Qt project, including new images, icons,
stylesheet definitions and more. Submitting this for beta
consideration.