Remove the sync option from cbuildbot as Chrome pfq should run repo sync each time.
Remove the sync option from cbuildbot as Chrome pfq should run repo sync each time.

Also add more informational descriptions to the dashboard.

BUG=chromium-os:8693
TEST=Using chromeosbuild-test ... ran through each stage...saw right description and no nosync at each stage.  Also saw my awesome new descriptions

Review URL: http://codereview.chromium.org/6083002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@69809 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build