Plone.recipe.codeanalysis

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- Remove progress bullets from flake8 check.
[timo]

- Improve the way to handle an exception if the command used in popen does
not exist.
[flohcim]

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- Fix code analysis method by making it call each check only if the option
is activated.
[flohcim]

- Keep backward compatibility with 'string-formatting' option.
[hvelarde]

- Rename 'deprecated-alias' to 'deprecated-aliases' and keep backward
compatibility.
[hvelarde]

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- Implement Jenkins option on CSS Lint and JSHint.
[hvelarde, ramiroluz]

- Rename 'deprecated-methods' to 'deprecated-alias'.
[gforcada]

- Rename 'string-formatting' option to 'pep3101' to keep consistency.
[hvelarde]

- Remove unused CSSLINT_IGNORE remainings.
[timo]

- Simplify code analysis method and make it more readable.
[timo]

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- Add return-status-codes option that allows to fail a CI-build on Travis.
[timo]

- Make system wide installed csslint the default value for
the csslint-bin option.
[timo]

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- Deprecate 'csslint-quiet', 'csslint-ignore' and 'csslint-exclude-list'
options; CSS Lint must be configured now using a '.csslintrc' file.
'csslint-bin' option now defaults to ``bin/csslint``; documentation was
updated (closes 20).
[hvelarde]

- Implement removal of pre-commit hook.
Fixes https://github.com/plone/plone.recipe.codeanalysis/issues/21
[hvelarde]

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- Workaround over JSHint limitations to avoid displaying warning messages as
errors.
Fixes https://github.com/plone/plone.recipe.codeanalysis/issues/13
[hvelarde]

- Fix CSS Lint validation and implement new 'csslint-quiet' option.
[hvelarde]

- Fix package distribution.
[hvelarde]