Prefer forward secure and ECC cipher suites

I saw https://getsatisfaction.com/newsblur/topics/weak_crypto_available and realized a pull request might better communicate the ease in this improvement.

Configuration changes guided by https://community.qualys.com/blogs/securitylabs/2013/08/05/configuring-apache-nginx-and-openssl-for-forward-secrecy

Test results can be confirmed with https://www.ssllabs.com/ssltest/analyze.html?d=newsblur.com
Merge pull request #434 from quad/patch-1

Prefer forward secure and ECC cipher suites
Fixing issue with multiple saved story counts.
Second issue with starred story counts.
Additional function for finding deleted feeds.
Re-styling oauth acceptance page for iphone/ipad width.
Further correcting OAuth spacing on mobile.
Removing unnecessary inset box shadow on header elements.
Fixing images in tutorial.
Hiding mark as read button when searching.
Adding autosize to share textbox.
Probably not a bug. Probably Adblock.
Adding feed font size. Configures both story titles and feed titles. This one's for you @theromit.
Boosting readability's ability to read Medium posts.
Fixing last few font size changes for new feed title font styler.
Adding WAI-AREA support for <article> to support LiveJournal.
Adding user_id to every response.
Adding debug option to all text importers.
Set source_used_id correctly when sharing from a blurblog (#551)
Merge pull request #557 from manderson23/master

Set source_user_id correctly when sharing from a blurblog (#551)