Workaround libcurl bug to properly support HTTP proxies for stratum
Bugfix: RPC: Release apisock on error in tidyup
README.OpenWrt: Change example repository to "latest", and document alternatives

Conflicts:
	README.OpenWrt
Merge commit '56cfd55' into bfgminer-3.2.x
Merge commit 'a94c7be' into bfgminer-3.2.x
line 2913 added urlencode

There was a cross site scripting vulnerability due to insufficient input sanitation on the $pg parameter.  This patch fixes that issue.