fix promote text
prevent travis from bulding debugger gem
add sqlite3 to the test environment bundle for travis
add sign_up link to header and home page

* site-wide header filters 'sign_up' and 'sign_in' links based on controller
* added sign_up message machine translations for 'fr' and 'ru' locales
Merge pull request #124 from bits4commits/fix-travis-debugger-failure

fix for issue #121
Merge pull request #117 from X-NicON/ruslanfix

fix promote text
changed search string

Changed the search string. now in the search button, you can accommodate any number of characters. Words don't come out for button borders in languages other than English
Resize the button support

Resize the button "support" for the line size, line height
changed text support button

changed text support button
changed text support button

changed text support button
Update ru.yml

added quotes on the problem
capitalized promote_project text
Use https links in new_tip.html.haml
allow config.yml to be loaded pre-processed
add developer README and prettify README.md
Added a polish translation

Not fully finished yet
sign_up_text traslation
Added Croatian locale.
Added sign_up_text (#125) to Croatian locale.
Merge branch 'pr/125'

Conflicts:
	app/assets/javascripts/i18n/translations.js