Whitespace fix

make the indentation consistent with the rest of the file
Remove embedded shebang

.updateScript.sh doesn't need the #! line because it specifically gets exec-ed using /bin/bash
Merge pull request #107 from lurch/patch-1

Whitespace fix
Replace usages of $FW_PATH/.firmware_revision with a $FW_REVFILE variable
Replace ${FW_REPOLOCAL}/${FW_REV}.tar.gz with $FW_TARBALL
Slight tweak to the "startup logic"

This fixes #102  (which would also get triggered if you rpi-updated to a specific revision, and then later tried rpi-updating to the latest revision)
Merge pull request #108 from lurch/patch-2

Remove embedded shebang
Merge pull request #111 from lurch/patch-3

Replace usages of $FW_PATH/.firmware_revision with a $FW_REVFILE variabl...
Merge pull request #114 from lurch/patch-6

Slight tweak to the "startup logic"
Merge remote-tracking branch 'upstream/master'