Merge remote-tracking branch 'origin/dev'
Fix README, config server section name MUST be 'home'
Revert "package the webif separately", webif is mandatory

This reverts commit e60d4a3804315dae27bd6e2c333758860c186cbf.
Revert "Set default value for hide_server_page in owispmanager config to 1" after 741c27795

This reverts commit 96bcae3c4aff98c42ccd5d659c137e6b4516e47d.
fix the uci import merge for wireless configuration
switch to openvpn-polarssl to reduce image size