Using new assertFails method wherever possible to simplify tests.
[FIXED JENKINS-12629]

Added the -noCertificateCheck option (the option name is consistent with
the slave.jar) that lets users bypass the HTTPS certificate check.

This allows trivial man-in-the-middle attack, so HTTPS will no longer be
HTTPS.
[FIXED JENKINS-16928] Don't create mojo config key if it didn't exist.
Fixes: Maven2 builds with non-standard test mojos failed.
use maven wagon 2.4
[FIXED JENKINS-12470]
Merge pull request #718 from logangorence/master

Fixed French Translation