new commandline: runApplication -l <log-file name> <application> <app args>
NOTE: This is a transparent change, and providing no "-l <log-file name>"
argument reverts the script back to the default operational mode.
Modified the Allrun script in the "cavitatingFoam/les" tutorial
to use the new runApplication command.
* icoLagrangianFoam tutorials work
* Format of fixed tutorials updated to reflect current version standards.
Current status: 10 failing tests in a total of 139 tests
