o.c.common.trendplotter: remove popup for hiding pvs
Merge remote-tracking branch 'Desy-extern/rel15x' into rel15x
o.c.utility.ldapupdater: move changes from branch 'headlessReleases' to
rel15x (new command for tidyUp and extended log output)
Ldap Update product: add o.c.headless.common to product definition