minor ui improvements, text under icons and 0 margins around mdi area
pmod-sseg: removed dependency on c++11 for compatibility with older systems
pmod-pushbuttons: removed c++11 dependency for backwards compatibility
added constructor to Peripheral struct to avoid c++11 static initalization

this delta is actually needed before the last two commits..
ledmatrix: removed dependency for c++11
cerebot-leds: removed dependency on c++11
scope: removed static initialization to help aid compling on older platforms
qmake config now includes some platform dependent options