optionsdialog.cpp: rename "Start Bitcoin on window system startup" to "Start Bitcoin on system login" and move it to Main / hide "Window" Options on Mac as there are currently none available / remove an unused variable / add Alt-Shortcuts where they were missing / allow translation of "default"
optionsdialog.cpp: rename "Start Bitcoin on window system startup" to "Start Bitcoin on system login" and move it to Main / hide "Window" Options on Mac as there are currently none available / remove an unused variable / add Alt-Shortcuts where they were missing / allow translation of "default"

Crowndev/crowncoin,dobbscoin/dobbscoin-source,Infernoman/crowncoin,wiggi/fairbrix-0.6.3,syscoin/syscoin,Earlz/dobbscoin-source,dobbscoin/dobbscoin-source,Crowndev/crowncoin,syscoin/syscoin,Earlz/dobbscoin-source,domob1812/crowncoin,wiggi/fairbrix-0.6.3,syscoin/syscoin,Crowndev/crowncoin,dobbscoin/dobbscoin-source,domob1812/crowncoin,wiggi/fairbrix-0.6.3,Earlz/dobbscoin-source,syscoin/syscoin,dobbscoin/dobbscoin-source,Infernoman/crowncoin,dobbscoin/dobbscoin-source,dobbscoin/dobbscoin-source,wiggi/fairbrix-0.6.3,wiggi/fairbrix-0.6.3,Earlz/dobbscoin-source,Infernoman/crowncoin,domob1812/crowncoin,syscoin/syscoin,Infernoman/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,syscoin/syscoin,Crowndev/crowncoin,Crowndev/crowncoin,syscoin/syscoin,domob1812/crowncoin,Crowndev/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,Earlz/dobbscoin-source,Earlz/dobbscoin-source,syscoin/syscoin