#8 Log an error if UserGrid is configured incorrectly

[Gautam Jolly]

Fix the UserGridManager to log an ERROR message, if the
MalformedURLException is thrown while loading column
settings files. This can happen as a result of
inappropriate settings in the framework.properties file.
Currently, a WARNING is being logged.

[Gautam Jolly]

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user_id=544801

Made the appropriate changes to UserGridManager

[PaulE]

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user_id=300119

REOPEN. This now throws 2 error exception stacks when a
usergrid is displayed. This will create huge log files in regular
use. The real problem is to see if the entries defined in
framework.properties are valid, and point to the correct place.

Action
- Change this current message (was WARN, now ERROR) to
INFO
- InitApp should check to see if the default and user
directories for the user grid settings exist, and generate a
WARN message if either is missing. At this point the setting
may still be valid, and this path would be created as the first
user saves a grid setting, so this warning could still be
misleading

[Gautam Jolly]

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1- The UserGridManager was modified to log DEBUG
messages, in case a MalformedURLException is thrown while
locating a User Grid Settings file
2- The InitApp was enhanced to validate the framework
properties dealing with the User Grid Settings folders