Install Tomcat 7

Install Apache Tomcat 7.0.55 on Ubuntu 14.04

The Apache Tomcat Project released Apache Tomcat 7.0.55 late last month. This release came with a number of bug fixes and improvements since release 7.0.54. The notable changes since 7.0.54 included Update to the Eclipse JDT Compiler 4.4, Better error handling when the error occurs after the response has been committed, Various improvements to the Mapper including fixing some concurrency bugs, and Update to Tomcat Native Library version 1.1.31 to pick up the Windows binaries that are based on OpenSSL 1.