Republished latest build of reactxp to fix crashing bug in Navigator …

…component.

Published 0.42.0-rc.8

[0.42.0-rc.7] Bump package.json for release

[0.42.0-rc.6] Bump package.json for release

[0.42.0-rc.5] Bump package.json for release

[0.42.0-rc.4] Bump package.json for release

[0.42.0-rc.3] package.json bump for release

0.42.0-rc.2 release package.json bump. Fixing extension building.