Fix "hang" bug

Use level-triggered event mode for epoll(). This
will keep commotiond from hanging on multiple
simultaneous connections.
Merge pull request #18 from hawkinswnaf/master

Fix "hang" bug
Update mac80211.sh patch to respect UCI values.
Add UCI commit call for 'plug' interface firewall configuration.
Merge pull request #20 from opentechinstitute/fwcommit

Add UCI commit call for 'plug' interface firewall configuration.
Handle 'false' return case from commotiond for encryption options.
Merge pull request #19 from opentechinstitute/uci-override

Update mac80211.sh patch to respect UCI values.
Fix typo in mac80211.sh.patch
Manually grab channel in netifd proto script.