Fill feed URL field from params
Fill feed URL field from params

Read the feed URL from params on request to `/feeds/new` and let it fill the
feed URL field. This enables integration with the [RSS Subscription
Extension][rss-subscription-ext] extension for Google Chrome and should allow
integration with similar extensions, for Google Chrome or other browsers.

[rss-subscription-ext]: https://chrome.google.com/webstore/detail/rss-subscription-extensio/nlbjncdgjeocebhnmkbbbdekmmmcbfjd

dperson/stringer,jeroenj/stringer,InPermutation/stringer,jqr/stringer,geemus/stringer,run-project/stringer,swanson/stringer,jeroenj/stringer,Koronen/stringer,milligramme/stringer,jeroenj/stringer,adscott/stringer,geemus/stringer,geemus/stringer,milligramme/stringer,jqr/stringer,dandorman/stringer,adscott/stringer,jqr/stringer,jqr/stringer,Koronen/stringer,geemus/stringer,mpraglowski/stringer,jeroenj/stringer,lodestone/stringer,nibble/stringer,nibble/stringer,nibble/stringer,InPermutation/stringer,Koronen/stringer,thiagosil/stringer,nibble/stringer,dperson/stringer,run-project/stringer,thiagosil/stringer,mpraglowski/stringer,nobuti/stringer,adscott/stringer,nobuti/stringer,run-project/stringer,dperson/stringer,swanson/stringer,mpraglowski/stringer,lodestone/stringer,dperson/stringer,swanson/stringer,Koronen/stringer,swanson/stringer,dandorman/stringer,lodestone/stringer,InPermutation/stringer,milligramme/stringer,adscott/stringer,nobuti/stringer,thiagosil/stringer,dandorman/stringer