Now able to select 1 symbol from symbol list and display in stock quote list.

Change-Id: Ief050abcdb71b8177d16c90e043165137eefff65
Merge pull request #49 from mikeyman77/ui/chng_d

Now able to select 1 symbol from symbol list and display in stock quote ...
Comments regarding command line usage and javadoc added
Merge pull request #50 from mikeyman77/proj/readme

Comments regarding command line usage and javadoc added
Updated properties files used in junit exception handler tests
Updated exception handling processing
Merge pull request #52 from mikeyman77/ps/excptests

Updates for persistence service exception handling and tests