add surname to user, create sample data (refs #374)
add and configure developer tools (refs #374, @2h)

* RailsPanel
* better_errors
* mailcatcher
add comments on gems in Gemfile (refs #374)
comment on gems in Gemfile (refs #374)

After some time some gems might have been forgotten.
To prevent that each gem is described and if not used will be deleted.
remove canonical host name and change heroku app name (refs #374)
project template done, devise up and running (fixes #374)
use strong_parameters for all models
bootstrap 2 works, need some time to include bootstrap 3 (refs #411)

Bootstrap 2 is delivered with less.
Bootstrap 3 delivered by Anjlab is wirtten in SASS. To avoid compatibility issues we should wait until release bootstrap 3.0 in less-bootstrap-rails plugin.
soso3-411 Add twitter-bootstrap
add Country, City adn Committee (refs #363 @5h)
add Faculty, Field of Study and Specialization (refs #363 @2h)
migrate part of User logic from old SOSO (refs #363 @1h30m)
add fields to user (refs #363 @2h)
get rid of spork, use spring instead
case insensitive for email and index, shoulda matchers (refs #363 @1h)
case insensitive for email and index, shoulda matchers (refs #363 @1h)
rename user's `index` to `student_no` (refs #363 @20m)
setup database Rake task
add sectors and sector groups (refs #363 @1h30m)
intermediete state