Bug 637806 - Disable test_titlebar.xul on Linux for too many intermittent failures

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extra : transplant_source : %8A%BEZU%22%F8%FC%A3%91d%5CR%10%B1%40%F9N%D4%40%8F
Bug 921635 - Disable test_HTMLAppletElement*.html on OS X on suspicion of causing dom-level* suite timeouts

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extra : transplant_source : f%2A%FB%DCVG%96M%A1%03%0F0%A3%11k%D2%C0%05%3A%A2
Bug 922427 - Disable browser_491168.js until bug 930202 hopefully fixes the intermittent failures

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extra : transplant_source : %F0K%9B%28%F6%9A/%3B%045%E4%07K%90%95%8C%18%7C%81%06
Bug 921984 - Disable browser_tabview_bug624265_perwindowpb.js until bug 930202 is fixed
Bug 703806 - Mark as-image/img-blobURI-2.html as random for too many intermittent failures
Bug 751539 - Disable test_played.html again because surprise surprise it is still failing