Collective-dexteritytextindexer

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- ignore the request in the get_field_widget method, to avoid problems with request variables wich have the same name than the field.
[phgross]

- Added test-buildout for plone-4.1.x
[lgraf]

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- Added IntFieldConverter, wich return the plain value instead of the render method (600000 --> 600,000)
[phgross]

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- Fixed querying of tagged values: use helper function mergedTaggedValueList - which also looks
up tagged values on superclasses.
[jbaumann]

- Fixed html to text transform call: added source mimetype.
[jbaumann]

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- Fixed data transforms in NamedFileConverter
[lgraf]

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- Made reindexer more robust, since sometimes the field values may be wrong.
[jbaumann]

- Do not traverse to "view" in indexer, this could cause security issues especially in tests.
Using now a fake-view for enabling z2 mode.
[jbaumann]

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- Fixed assertion bug when using a `IDynamicTextIndexExtender` adapter.
[jbaumann]