Use a monospaced font to display the commit message
Remove html.theme.default

There will be just one hard-coded "theme" for now.
dynamic allocation
Use latest SDK
Rename XitTests to XTTest
Use default compiler
Ignore git stderr

Some warnings get written out because of inherited env vars, like OBJC_DISABLE_GC when running tests, and they mess up the parsers.
Test fixes
Improve testHeadRef
NSDate (RFC2822) race condition fix
Disallow drags to web view
Initially select the head commit
Improve race condition fix
Update README.md
Update README.md

Oops, GitHub thought I was done.
Change the View toolbar item to Textured Square style
Remove unneeded test header files
"Merge" context menu command
testAttributedStringWithFormat
Use real branch names