0.5.12 (microsoft#93)

* bump core and fabric versions

* add changelog

v0.5.11 (microsoft#87)

* bump version

* update changelog

v0.5.10 (microsoft#84)

* bump version

* changelog update

0.5.9 (microsoft#77)

* bump version

* update changelog

* change circleci ssh key

0.5.7 (microsoft#66)

* bump core and fabric versions

* changelog update

0.5.7 (microsoft#66)

* bump core and fabric versions

* changelog update

0.5.7 (microsoft#66)

* bump core and fabric versions

* changelog update

0.5.7 (microsoft#66)

* bump core and fabric versions

* changelog update

0.5.7 (microsoft#66)

* bump core and fabric versions

* changelog update

0.5.8 (microsoft#68)

* bump core and fabric versions

* update changelog