Ignore some more files that we don't want in git.

.idea is the PhpStorm project folder.
*.un~ is used by a vim extension.
*.sublime-* is used by sublime text editor.
*.swp is used by vim.
Also ignore log files.
Merge pull request #3 from leftclickben/GitIgnoreLogsAndTempFiles

Ignore some more files that we don't want in git.
Merge current head of collectiveaccess/providence.

This is an initial merge between the upstream collectiveaccess
fork and the local version from the internal gitolite repository.
Remove accidentally checked in .orig files from merge
Remove unwanted file
Remove unwanted file.
Remove files unwanted in vcs.
Remove unwanted file
Remove unwanted file
Move rule into top-level .gitignore
Add missing theme change

This stuff will probably change, to move out of the default
theme and into a wamuseum theme, but this change will be
necessary in that new theme so this commit puts it where it
needs to be, for now at least.
Remove unwanted file
Move diffs from base.css into local.css and revert unwanted change.
Oops, accidentally converted spaces to tabs.
Remove unwanted script file
Remove changes for theme
Clean up .gitignore changes
Remove unwanted file