chore($git): merge develop branch into master
chore($git): bump version to 1.0.0
style(CHANGELOG): add code blocks for breaking changes
fix($bin): server option didn't turn cli off

When running the bin with the --server optionth cli option wasn't set
to false, resulting in the server not starting correctly.
chore($npm): update express version
chore($git): bump version to 1.0.1
fix(server): fix broken walkdir in server when directories don't exists
chore($git): bump version to 1.0.2
fix(server): fix undefined present in paths array

When the helpers or matchers directories doesn't exist the promise
was returning nothing, resulting in undefined values presents in the
paths array.
fix(server): the paths was sliced one item too early
fix(server): make sure that paths only contains unique entries
feat($core): unmet dependencies no longer raise an exception

The dependencies are still reported through the message event
of the Runner class.
chore($npm): update stylus module version
chore($git): merge develop into master
chore($git): bump version to 1.1.0
feat(browser): clicking on an error stack line will load the source

In addition to the source of the origin of the error, the source
of all the other context in the stack can be displayed.
Merge branch 'develop'
chore($git): bump version to 1.2.0
chore($npm): update stylus and wintersmith-coffee modules version
fix(documentation): update documentation with latest options and commands