Whitespace formatting, spaces converted to tabs
Removed version from the maven-compiler-plugin.  It did not need to be
overridden.
Updated the maven-compiler-plugin to user java version 1.7 overriding
the spring-boot-starter-parent parent pom.
Changed packaging to war
Added spring-boot-starter-tomcat as dependency
removed jvm specification and left just the specification of the java
version
Added HelloWebXml class