Update .gitignore

added vim swp files
Merge branch 'master' of git://github.com/otwcode/otwarchive

updating my master branch
Merge branch 'master' of git://github.com/otwcode/otwarchive
Merge branch 'master' of git://github.com/otwcode/otwarchive
Merge branch 'master' of git://github.com/otwcode/otwarchive
Merge branch 'master' of git://github.com/otwcode/otwarchive
2394 Redirects user to chapter page if work is multichaptered
Link to chapters in Entire Work mode instead of Chapter by Chapter mode
Fixes history for multichapter works that broke after the title fix
Issue 3034: Invitations link for non-existing user causes error 500
Issue 3034: Invitations page cucumber test
Cleaning up logic
Merge pull request #1425 from larissa/chapter-title-not-displayed

Issue 2394 - Chapter title not displayed
Merge pull request #761 from scottsds/issue_3034

Issue 3034: Invitations link for non-existing user causes error 500