pull in latest cm and fix the cursor height bug

Signed-off-by: Chris Granger <ibdknox@gmail.com>
workaround for widgets overflowing to the next line

Signed-off-by: Chris Granger <ibdknox@gmail.com>
change log, remove html modes since they're in the html plugin, 0.6.6

Signed-off-by: Chris Granger <ibdknox@gmail.com>
remove the default CM theme which seems to be causing problems

Signed-off-by: Chris Granger <ibdknox@gmail.com>
Fixing CSS for default theme & CM4
Merge pull request #1505 from skrat/patch-1

Fixing CSS for default theme & CM4
linux_deps.sh: If 'which curl' fails, exit with its return code.
linux_deps.sh: re-use downloaded LightTableLinux*.gz, clojure-plugin

* download LightTableLinux*.tar.gz only if it doesn't exist and always
  verify its sha1 checksum.
* store clojure-plugin as a git-submodule and clone it only once. Then
  update it with git pull --rebase
linux_deps.sh: remove runner/target/lein-light-standalone.jar in the end