Simplify view resolver.
Unable to test view rendering

Add a note regarding the inability to test view rendering via JUnit.
ASRC-154: stub admin page
ASRC-154: allow access to admin pages only with ROLE_ADMIN

Whether a particular user has ROLE_ADMIN is currently baked into the code.
Improve VariableVisitor exception handling.
ASRC-154: display variable list on admin page

The styling needs some work.
Merge branch 'master' into ASRC-154
ASRC-154: improve variable table display
ASRC-154: edit variable display text
ASRC-154: disallow editing integrated var display name

In the final solution, we may allow editing display names of integrated
variables, but disallow it until we know for sure.
Improve test coverage.
Merged in ASRC-154: Change Checkbox Custom Variable Text
Move single-use commands to install.bat

from create_database.bat. This permits using create_database.bat to reset an
existing database without reconfiguring the MySQL or Glassfish servers.