Moved the prod profile's tomcat7-maven-plugin's configuration section.

Moved the prod profile's tomcat7-maven-plugin's configuration section out of the executions section and into the plugin section. IntelliJ IDEA was indicating that the pom.xml wasn't matching up with the maven pom schema.
Merge pull request #95 from wilwayco/master

Moved the prod profile's tomcat7-maven-plugin's configuration section.