Remove name validation of export, exports are validated when the subContext is created.
Remove name validation of export, exports are validated when the
subContext is created.

TanayParikh/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,TanayParikh/foam2,TanayParikh/foam2,TanayParikh/foam2,foam-framework/foam2,foam-framework/foam2