..unitconversion: creating a unit conversion client

Change-Id: I05c60c17364bd9ba39f900f3239bc079dd59284f
Signed-off-by: Kunal Shroff <shroffk@bnl.gov>
DataBrowser: allow editing display name of multiple items at once.
DataBrowser: new EditItemsDialog to edit multiple items at once.
BOY: defined LCID macro for each instance of LinkingContainer.
o.c.scan: Support device name macros
o.c.scan: Allow device macros in simulation
o.c.scan: Add IncludeCommand

Includes another scan. Starts to work (no simulation, no macro, no
paths)
o.c.scan: Locate included scans on path list
o.c.scan: Simulate commands of included scan
o.c.scan: Log by device's 'alias' name

This used to be the case, but when supporting macros, it changed to the
real device name.
o.c.scan: Init. loc:// PVs in test

as required by PVManager to avoid null values
o.c.scan: Use 'long' for all work units
o.c.scan: Set macros from IncludeCommand
o.c.scan: Handle device macros for simulation
o.c.u.pvmanager.epics: update to SNAPSHOT
Temporary fix for some same channel connection issues.
Merge branch '3.2.x' of git@github.com:ControlSystemStudio/cs-studio.git into 3.2.x
o.c.scan: Only handle 'address' on the top-level, not into includes
o.c.scan: Correct IncludeCommand work units
o.c.scan: Update docs for IncludeCommand, Macros
Merge branch 'scan_macros' into 3.2.x