Moved operator functions in gaiaexception.h to appear before GaiaException class definition. Otherwise the code does not compile on mac osx.
Moved operator functions in gaiaexception.h to appear before GaiaException class definition. Otherwise the code does not compile on mac osx.

kartikgupta0909/gaia,MTG/gaia,MTG/gaia,ChristianFrisson/gaia,kartikgupta0909/gaia,ChristianFrisson/gaia,MTG/gaia,ChristianFrisson/gaia,ChristianFrisson/gaia,kartikgupta0909/gaia,kartikgupta0909/gaia,MTG/gaia