ccache is disabled

moc/uic/rcc disable ccache by including time stamp e.g. : Thu Jul 19 23:29:43 2012
ccache is using md5 to detect file modifications
ccache is disabled because different time stamp causes different md5 among generations
time stamp in source code is unnecessary as every file has time stamp assigned by operating system

/****************************************************************************

• • Meta object code from reading C++ file 'main.cpp'
    **
  • Created: Thu Jul 19 23:29:43 2012
  • by: The Qt Meta Object Compiler version 63 (Qt 4.8.2)
    **
  • WARNING! All changes made in this file will be lost!
    *****************************************************************************/