Eddition of the *.pro file, which allow to compile with both version of Q
t:  4.X and 5 .
TODO:
To successfull compile wallet on windows more changes are required,
For more information please take a look  at pharse
"transition form Qt4 to Qt5" in goole or go directly to the digia Qt
docs about The Transition from Qt 4.x to Qt 5.


Signed-off-by: Jakub Kuświk <hrabjasz@wp.pl>
Next step in porting to Qt5 for windows compilation:
Removed the line "#define loop for(;;)" from util.h file and
in entire code and were replaced "loop" with "for(;;)"

Signed-off-by: Jakub Kuświk <hrabjasz@wp.pl>
Additional changes for porting Qt4 to Qt5.
Now project will compile on windows with Qt4 and Qt5
Changed names "zelbit" to "ZelBit".
Few adjustments.