not writing a crashlog when we have a better message already present to tell the user what went wrong and how to fix it
always printing out error message in red, then directing users to the crash log
Merge pull request #241 from shatterednirvana/no-crashlog-on-appscale-exceptions

Not writing a crashlog if AppScaleException is thrown
removed mention of crash from crash log
Merge pull request #242 from shatterednirvana/no-crashlog-on-appscale-exceptions

removed mention of crash from crash log
not using exception.message in crashlog reporting
Merge pull request #243 from shatterednirvana/no-crashlog-on-appscale-exceptions

not using exception.message in crashlog reporting