Pytest-html-profiling

* Always encode content for data URI

* Thanks to `micheletest <https://github.com/micheletest>`_ and
`BeyondEvil <https://github.com/BeyondEvil>`_ for reporting the issue and
confirming the fix

* Present metadata without additional formatting to avoid issues due to
unpredictable content types

* Add hooks for modifying the test results table
* Replace environment section with values from
`pytest-metadata <https://pypi.python.org/pypi/pytest-metadata/>`_
* Fix encoding for asset files
* Escape contents of log sections

* Disable ANSI codes support by default due to dependency on
`ansi2html <https://pypi.python.org/pypi/ansi2html/>`_ package with less
permissive licensing

* Add support for JPG and SVG images
(`bhzunami <https://github.com/bhzunami>`_)
* Add version number and PyPI link to report header
(`denisra <https://github.com/denisra>`_)

* Fix title of checkbox disappearing when unchecked
(`vashirov <https://github.com/vashirov>`_)