Close#686
* commit '828d3121be807daa8f839dfa7a7ac4ba8a6e7cd8':
* client: show message if there is no static ip
* client: rename constant
* hasStaticIP: use properly named boolean variable
+ client: static_ip warnings
* client: error text
* client: disable DHCP check if server enabled and hide errors on disable
* client: hide error if DHCP enabled and require check DHCP before enabling
* client: accordion styles
- client: fix DHCP fields validation
* client: fix DHCP error message
+ config: set default parameters for DHCP server
+ /control/dhcp/set_config: set static IP
+ /control/dhcp/find_active_dhcp: detect static IP on Linux
* /control/dhcp/find_active_dhcp: new JSON response format