0022698: Add OCC_VERSION_DEVELOPMENT definition in Standard_Version.hxx
New macros added to Standard_Version.hxx to identify OCC version more precisely:
- OCC_VERSION_DEVELOPMENT is to be defined as string in any version different from official release, to indicate that it is modified
- OCC_VERSION_COMPLETE is string form of the complete version number major.minor.maintenance
- OCC_VERSION_STRING_EXT is extended string for of the version equal to OCC_VERSION_COMPLETE and adding OCC_VERSION_DEVELOPMENT as suffix if it is defined
Version promoted to 6.5.3.beta1