CGIT-0.9.1

Enhancements:
- path-selected submodule links
- intelligent default branch guessing
- /etc/mime.types lookup
- gitweb.* and cgit.* git-config support
- case insensitive sorting and age sorting
- commit, repository, and section sorting
- bold currently viewed page in pagination
- support BSDs in makefile

Security:
- CVE-2012-4465: heap-buffer overflow in parsing.c
- CVE-2012-4548: syntax highlighting command injection

Bug Fixes:
- transition maintainer to Jason Donenfeld (zx2c4)
- download git snapshot from github instead of Lars' old server
- css fixes
- stablization of tests
- more compatible default highlight script
- suppress gzip timestamp so that tarballs only use tar timestamps
- treat ctags as target in makefile
- do not let global variables override certain local repo settings
- print ampersand as proper html entity
- use placeholder for empty commit subject
- format diff view for addition and removal of files
- point links at correct blob from ssdiff

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>