Update readme with new version numbers

Author: jsumners

README.md

@@ -1,7 +1,7 @@
 tomcat-rpm
 ==========
 
-This project defines a build system for building Apache Tomcat 7.0.x
+This project defines a build system for building Apache Tomcat 8.0.x
 source and binary RPM files. The included `build.sh` *must* be used to kick off
 the RPM building process. The SPEC file assumes various work is done by the
 script; e.g. the Tomcat packages being extracted and compiled in the corre
@@ -12,7 +12,7 @@ to be set according to the Java packages installed on the build system (and, in
 turn, the target install system[s]). That is, if you are using the community
 build Java packages, these variables will be set to "/usr/java/latest" and
 "jdk", respectively. If you are using the RedHat packages, like the
-java-1.7.0-oracle and java-1.7.0-oracle-devel packages, then they would be
+java-1.8.0-oracle and java-1.8.0-oracle-devel packages, then they would be
 set to "/usr/lib/jvm/java" and "java-sdk". The `build.sh` script does this
 for you.