add UnsignedIntegralProperty(Interface); add basic support for all integral types
fix implement abstract classes of UnsignedIntegralPropertyInterface
add SignedIntegralPropert(Interface); add UnsignedIntegralEditor and SpinBox
add SignedIntegralEditor and LongLongSpinBox
fix fromString and toString for char and unsigned char; clean up code
remove IntegerEditor; remove int from StandardPropertyVisitor; return true in from(U)LongLong
rename UnsignedLongLongSpinBox to ULongLongSpinBox; refactor code; implement validate and fixup
remove unused includes
finish LongLongSpinBox implementation by mostly copying things from ULongLongSpinBox
replace ValueProperty constructor duplicate code with perfect forwarding
Merge pull request #49 from hpicgs/intergral_types

Intergral types