[UI Tests] Update pom.xml & createAUT.sh

Upgrade to q7 1.3.15 in pom.xml
Upgrade to eclipse Mars 4.5 M3 on createAUT.sh
Handle zip cases in createAUT.sh

Change-Id: I2a751d8397b341c6ea75b932a533f917d8fa7c41
Signed-off-by: Axel Richard <axel.richard@obeo.fr>
Register proxies as we load the xml instead of iterating afterwards

This registers the proxies from the XMLHelper used to parse the raw XML
instead of relying on post-loading iteration, making for a much faster
resolution phase.

Change-Id: I1d90e784d7bcad7df43fa8ea0fb09a9b4fe3fb17
Signed-off-by: Laurent Goubet <laurent.goubet@obeo.fr>