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
Remove google reader import step from register workflow (#499)
Apply dark theme to divider item header.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	clients/android/NewsBlur/res/layout/activity_addsites.xml
Merge pull request #547 from manderson23/darktheme

Android: Apply dark theme to divider item header.
Merge remote-tracking branch 'upstream/master'
Remove AddFollow activity from register workflow (#499)
Merge pull request #548 from manderson23/master

Android: Update register workflow
Showing guaranteed spammers based on feed opens.
Fixing comment width.
Adding update payments history button.
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.