Mosh for Chrome v0.2.11

This release simply sets the minimum Chrome version in the manifest.json to 42. It was reported in Issue #94 that the latest release cannot load on Chrome 41 due to an ABI incompatibility (the latest version of Mosh for Chrome is built with a newer SDK). As Chrome 41 is outdated, this should not be a major issue, but this change should prevent older browsers from updating to a version that simply won't run.

For those that have already received the Mosh for Chrome update, this is unlikely to help. These users simply need to update their browsers.