fixes link to on the fly category generation
fixes on the fly category creation
Add changelog entry

[ci skip]
Merge pull request #247 from opf/fix/work_package_form_issue_categories

Fix/work package form issue categories
extracts avatar into it's own helper

Also moves tests to specs
ensures that the avatar helper always returns a string, might be empty
Changed default capybara behaviour to ignore hidden elements removing
as it is the more natural behaviour and helps reduce the number of
ambigious matches
Split the step definitions on the members tab to be
more modular so they can be reused
fixes xss in members tab select boxes using the proper helper functions
Run coverage reporting only on Travis
Added searching for invisible elements for steps that need this feature,
removed searching for visible fields explicitely as this is the new default
Merge pull request #252 from opf/fix/select2-members-xss
enables firebug usage in selenium

Just tag the scenario with @firebug
Remove coveralls for now, seems to be broken for months.
Also added firepath to make xpath and css selection easier
while debugging in cucumber
Added short documentation for using @firebug in cucumber tests
Merge pull request #248 from opf/fix/avatar_helper

Fix/avatar helper
Merge pull request #254 from opf/feature/enables_firebug_usage_in_selenium

Enable firebug usage in selenium
Merge pull request #251 from opf/feature/rails3_capybara_default_ignore_hidden_elements

Changed default capybara behaviour to ignore hidden elements removing
Merge pull request #250 from opf/feature/rails3_improve_cuke_steps

Feature/rails3 improve cuke steps