[Liferay] Upgrade Liferay 6.2 CE GA1 to 6.2 CE GA2

Liferay released an update on March 21, 2014. This update corrects several issues found since the Liferay 6.2 GA1 release in late 2013:

- All known security vulnerabilities since GA1 was released
- Improved message boards navigation for mobile environments
- Lots of cosmetic UI fixes
- Asset Publisher sorting by publish date
- Fixed handling of custom types in DDM
- Fixed support for Social Bookmarks
- Other minor issues discovered in GA1

Step 1. Go to http://sourceforge.net/projects/lportal/files/Liferay%20Portal/6.2.1%20GA2/
and download 2 files: liferay-portal-dependencies-6.2-ce-ga2-*.zip and liferay-portal-6.2-ce-ga2-*.war
Step 2. Backup your portal-ext.properties file
Step 3. Delete the contents of the $TOMCAT_HOME/webapps/ROOT directory
Step 4. Extract liferay-portal-dependencies-6.2-ce-ga2-*.zip and replace *.jar file to $TOMCAT_HOME/lib/ext
Step 5. Extract liferay-portal-6.2-ce-ga2-*.war to $TOMCAT_HOME/webapps/ROOT directory

jar xvf liferay-portal-6.2-ce-ga2-*.war

Step 6. Start Liferay

Read more: 
http://www.liferay.com/documentation/liferay-portal/6.2/user-guide/-/ai/upgrading-liferay-liferay-portal-6-2-user-guide-18-en
http://www.liferay.com/documentation/liferay-portal/6.2/user-guide/-/ai/installing-liferay-on-tomcat-7-liferay-portal-6-2-user-guide-15-en