Add the code install some components for installing tomcat7
Added the code to copy Metacat and other web applications from the webapps directory in tomcat6 to tomcat7. It also update the value of deploy.applicationDir in the metacat.properties file as well.
Only insert new configuration lines once to the /etc/tomcat7/catalina.properties.
Used variables to replace hard code in sed command. Also we have to escape the variables.
Used variables to replace the hard code.
Add the code to modify the workers.properties file.
Fixed typo.
Add a script to install openjdk 7 and tomcat 7.It also configures java, javac,keytools and tomcat7.