[Liferay] Guide to upgrading Liferay 6.1 to 6.2

S1. Dowload file Liferay 6.2 bundles tomcat at:
S2. Replace portal-ext.properties file and data folder of Liferay 6.1 to the new bundle.
S3. Dump database mysql from liferay 6.1 to liferay 6.2
S4. Start liferay 6.2 and wait some minutes for liferay auto upgrade
S5. Updating