reintroducing the post progress indicator, fixing gutter links, reducing white space between posts
FIX: Use `post_count` instead of `topic_reply_count` in education for replies.
Merge branch 'master' of git://github.com/awesomerobot/discourse into awesomerobot-master

Conflicts:
	app/assets/stylesheets/mobile/topic-post.css.scss
	app/assets/stylesheets/mobile/topic.css.scss
Russian translation (actual version)

Plus crowdin service reformats some strings
New site settings to enable/disable the possibility of editing user's nickname or email address
HandlebarsOneboxes: avoid constants multiple declarations
fixed history modal, topic progress now sticky to last post, edits heatmap is back, date/edit links now grey
Merge pull request #1440 from awesomerobot/master

fixed history modal, topic progress now sticky to last post, others...
Merge pull request #1439 from zvikara/master

HandlebarsOneboxes: avoid constants multiple declarations
Merge pull request #1437 from abbat/master

Russian translation (actual version)
Merge pull request #1419 from mguillemot/non_editable_username_and_email

Enable/disable the possibility of editing user's nickname or email
disable XML params, they are just used by malicious bots to determine if we have XML vuls.
Add a link to the email setup doc
Merge pull request #1442 from ZogStriP/patch-1

Add a link to the email setup doc
Allow TextSentinel#seems_unpretentious? to accept words joined with dashes or forward slashes. (Issue 1133)
Merge pull request #1443 from NeutralAngel/issue_1133

Allow TextSentinel#seems_unpretentious? to accept words joined with dash...
Add ability to customize css and header for mobile
Fix an error with mobile custom header
Allow switching between mobile and desktop view on any device.
Use absolute urls in notifications for automatic spammer handling.