Jetpack: Correct a current_user_can() check to manage_options from activate_plugins to account for multi-site installs where users can manage Jetpack but can't activate plugins. Fixes #1851


git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@751823 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack: Bump to 2.3.4b1, up the required wp version to 3.5


git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@751824 b8457f37-d9ea-0310-8a92-e5e31aec5664