Use bleach to sanitize the HTML of the tinyMCE editor

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branch : 1.1-dev
Add more exercise descriptions

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branch : 1.1-dev
Improve look of muscle overview page

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branch : 1.1-dev
Small update to get_version function

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branch : 1.1-dev
Clean the HTML from the description field for exercises

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branch : 1.1-dev
Add simple benchmark file with funkload

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branch : 1.1-dev
Cleanup

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branch : 1.1-dev
Set the page's title outside #main-content

This makes for a better flow, as the sidebar is as the same level than
the main content, with the title on top of both.

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branch : 1.1-dev