GemFire locator job template fix

There were two issues with GemFire locator job template.
1. The gemfirelocator_ctl is not pointing to the correct location for the gemfire.properties file. The script cd to the log directory to execute the gfsh, the log file created by gfsh will be placed under the log directory. However, this working directory does not hold the gemfire.properties file. The properties-files passed to gfsh command has to be changed back to the script executing directory.
2. The gemfire.properties.erb has an invalid port property. Need to remove it for the locator to start up properly.