SNS: Product settings
o.c.opibuilder: Make ResourceUtil.openURLStream() thread-safe
o.c.opibuilder: Fix cache issues for linked displays
Merge remote-tracking branch 'origin/master' into sns

Conflicts:
	applications/plugins/org.csstudio.opibuilder/src/org/csstudio/opibuilder/util/ResourceUtil.java
Merge remote-tracking branch 'origin/master' into sns
Implemented help and made a few minor changes (used different exception types in some situations)
Update the selection value PV even if the mouse is still and the axis updates.
Fixed bugs with loading/saving of the .plt files.
Implemented remove annotation listener.
Snap the annotations in place.
Merge pull request #380 from jbobnar/master

Archiver Appliance Help & DataBrowser persistence
Merge pull request #381 from css-iter/master

Merge last changes from css-iter
Merge remote-tracking branch 'origin/master' into sns
o.c.vtype.pv: Added
o.c.scan: Update examples
o.c.scan.server: Use vtype.pv
SNS Build settings
o.c.scan: Table display of logged data used wrong time stamp

Table must use the most recent time stamp of all samples in a row for
the row time stamp, but used the oldest time stamp
o.c.archive.engine: Use o.c.vtype.pv
o.c.diag.epics.pvtree: Use o.c.vtype.pv