bump version # and move to 0.7.0 of MathCAT #288

Job	Run time
Build 32 bit windows pyd file	2m 39s
Build 64 bit windows pyd file	3m 1s
l10n	8s
Build linux pyd file (64-bit intel)	1m 32s
zip up the rules directory	45s
build-addon	30s
Pre Release	14s
	8m 49s

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