typo fix
Get mime type from download, if download is a file name

Get mime type from the download parameter instead of from the file, if
download is a file name
fixed typo in doc
fix typo tutorial grammatical corrections
Merge pull request #679 from avelino/tutorial_grammatical_corrections

fix typo tutorial grammatical corrections
Merge pull request #677 from jhargis/typo_fix_625

fixed typo in doc
Merge pull request #673 from jeorgen/mimetype_from_download

Get mime type from download, if download is a file name
Merge pull request #669 from zvxr/master

typo fix
fix status code 413 description as RFC2616
10.4.14 413 Request Entity Too Large ............................69
https://www.ietf.org/rfc/rfc2616.txt
Merge pull request #681 from avelino/413_description_RFC2616

fix status code 413 description as RFC2616
Added travis image build status
Merge pull request #682 from avelino/added_image_build

Added travis image build status
Fix end-of-code-block template token regex
Add test for Windows-style line endings (CRLF ie \r\n) in template when using multiline code block
Merge pull request #683 from njogun/master

Fix end-of-code-block template token regex
Fixed mixed types in BaseResponse.headerlist in Python2

https://github.com/defnull/bottle/commit/c0b3c0d9861a5324fd371732630b0dd3e20d8081#commitcomment-8772204
Changed all links to the official repository.
Revert changes I committed accidently. Meh...
Make `root='/'` work cross-platform

If `root` already ends in `os.sep`, don't add another one.
`abspath` strips trailing slashes from all paths _except_ root (C:\, /)