adds unit tests for Discourse.Resolver
增加移动版Header和样式表
Minor fixes

* add discourse to sudo
* add `bundle exec` on some calls
* inform user of NUM_WEB/sockets count for nginx config
Italian localization (pt. 1)

First ~600 lines of italian translation revisited including missing
strings.

TODO: lines 581+
Merge pull request #1467 from velesin/resolver_tests

adds unit tests for Discourse.Resolver
Merge pull request #1475 from elegos/master

Italian localization (pt. 1)
removes unused builders param from Discourse.Model.mergeAttributes
FIX: Too many new lines in long quotes
add db time instrumentation to job execution
notify_user is not a flag
improve performance of periodical update job, decrease frequency and shift it by a few minutes
Russian translation (actual version)
fix profile db generator to run even with the system account
Oopps. Regis doesn't know how to count
Merge pull request #1482 from abbat/master

Russian translation (actual version)
Adjust css for user page to work at mobile sizes

Style user page for mobile sizes

Remove guard

Bundle without guard

Remove guardfile
Merge pull request #1481 from squareleaf/mobile_user_page

Adjust user page css for mobile sizes
adds unit tests for Discourse.Controller
refactors Discourse.Resolver
Merge pull request #1477 from velesin/remove_builders_from_merge_attributes

removes unused builders param from Discourse.Model.mergeAttributes