Merge pull request #63 from jlipps/master

conform better to JSONWP spec
Merge pull request #64 from jlipps/master

pre-launch mode
Turns out we need internal identifiers in some cases.
Merge pull request #65 from sourishkrout/master

Some elements just don't have names. Need to generate internal identifiers for them.
Add test for internally generated identifiers.
Cleaner copy.
Cleaner copy, part 2.
Merge pull request #67 from sourishkrout/master

Stash it all in cache for subsequent use. + Test
Merge branch 'master' of github.com:appium/appium
allow winston to log to file by starting server with --log
also, can tail log by running 'grunt log'