Merge pull request #9 from jean/master

Tidying while reading; typos, markup
List parts/wkhtmltopdf/ in travis, to see why it fails.

Add note on travis.

Let git ignore local.cfg.
Travis: list parts/wkhtmltopdf/ in long format.

The wkhtmltopdf file is there in this directory and it should be executable,
but travis says it gives an error.
Pass `--encoding utf-8` to wkhtmltopdf

The source document has been encoded as UTF-8 in
`BaseView.generate_pdf_file`
changelog
Another try at Travis.
Accept a colon in query parameters in url extraction.

Refs issue #11.
Preparing release 2.10
Back to development: 2.11
Merge branch 'master' of https://github.com/zestsoftware/collective.sendaspdf
Space is encoded as '+'