Change the names for nb and nn. #286

Job	Run time
Build 32 bit windows pyd file	3m 43s
zip up the rules directory	50s
l10n	4s
Build 64 bit windows pyd file	3m 45s
Build linux pyd file (64-bit intel)	1m 39s
build-addon	29s
Pre Release	13s
	10m 43s

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