Workaround robot errors in FF23+. Still need to figure out how to deal with zoom level. Refs #17442.

(cherry picked from commit 23abc082d571cecce77d3957c405fd5399622b81)
Signed robot applet with a "Dojo Foundation" public key to make Java 7u40 happy. Fix accidental nondeterminism when testing on slower machines. Refs #17442.

(cherry picked from commit 9e1dc62201b7cd06f1c052bae663882003cd3957)
Updating metadata for 1.9.2
Merge tag '1.9.2' into 1.9

Release 1.9.2