chore(pages): add version 1.2.0 in previous versions page
fix(pages): fix broken link in the navigation
Merge branch 'master' into develop
feat(matchers): registered matchers now automacally stores their name
refactor(environment): helpers uses example description rather than context
refactor($tests): better description of some tests
fix(cli): fix typo on event listener registration
wip($travis): first attempt to run slimerjs on travis
wip($travis): add SlimerJS install
wip($travis): change ln options
wip($travis): force path to slimer in the run_tests script
wip($travis): move slimer to bin instead of /usr/bin
wip($travis): try things
wip($travis): try things
chore($core): remove verbose now that three outputs are displayed each time
feat($travis): add slimerjs tests on travis
chore($travis): put back verbose mode for node tests
fix($browser): the options and paths are no longer passed though window

BREAKING CHANGE: the options and paths are now retrieved from the
  spectacular object, it's no longer effective to set it on window.

    To migrate the code simply replace :

    window.options = # ...

    With:

    spectacular.options = # ...
chore($git): merge back master changes in develop
chore($git): merge branch 'develop' of origin into local develop