Log request and use MDC similar to siesta servlet

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Customize component discovery report to show mount point
fix name of logback-test.xml (from logback-tests.xml)
Activate first restlet1x plugin in order to not get siesta plugin activated before restlet

Without this, if siesta plugin activates first, siesta resources are not visible

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Mark the PM/restlet1x hack with a TODO

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge pull request #733 from sonatype/activate-first-restlet1x-plugin

Activate first restlet1x plugin in order to not get siesta plugin activated before restlet
Merge remote-tracking branch 'origin/master' into log-requests-nexus-restlet-selvlet
Merge pull request #732 from sonatype/log-requests-nexus-restlet-selvlet

Log request and use MDC similar to siesta servlet
Add setters for downloading demote indexes

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge remote-tracking branch 'origin/master' into nexus-5472-proxy404