libs/web: cbi: add new on_before_save and on_after_save hook, implement :reset_values() for options supporting :value()
libs/web: cbi: add new on_before_save and on_after_save hook, implement :reset_values() for options supporting :value()


git-svn-id: f7818b41aa164576329f806d7c3827e8a55298bb@6297 ab181a69-ba2e-0410-a84d-ff88ab4c47bc

fqrouter/luci,fqrouter/luci,fqrouter/luci,fqrouter/luci,fqrouter/luci,fqrouter/luci,fqrouter/luci,fqrouter/luci