Plone-intelligenttext

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- Update license to GPL version 2 only.
[hannosch]

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- Package metadata cleanup.
[hannosch]

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- Specify package dependencies.
[hannosch]

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- Handle windows line endings.
[elro]

- URLs in html really should have the ampersand quoted.
[elro]

- Specify package dependencies.
[hannosch]

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- When convertWebIntelligentPlainTextToHtml is called with an explicit tab_width
we try to make an integer of that ('2' -> 2). When that fails we use the default of 4.
[maurits]

- Minor change in code path, really only to get 100 percent test
coverage.
[maurits]

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- Accept ip addresses as valid urls.
[maurits]

- Accept localhost as valid url.
[maurits]

- Recognize urls with port numbers as links.
Fixes http://plone.org/products/poi/issues/156
[maurits]

- If there is a url in brackets, the link should not contain one of the brackets.
Fixes http://plone.org/products/poi/issues/155
[maurits]

- Fix error where ampersands in urls would get html escaped.
Refs http://plone.org/products/poi/issues/101
[maurits]

- Accept input of None to our transforms.
[maurits]

- Add unit tests (mostly taken from Products.intelligenttext).
[maurits]