Debian:

Add dependency on libjetty8-java and libservlet3.0-java packages
Remove those binaries in debian builds
Prep for dependency on libservlet2.5-java package
Prep for dependency on libtomcat6-java package
Prep for dependency on libtomcat7-java package
Prep for dependency on libjakarta-taglibs-standard-java package
Prep for dependency on libjstl1.1-java package
Add build properties for building with packages
Rework of apps/jetty/build.xml for building with packages
Redefine debian/ as the files for the jessie build
Make debian-alt directories for ubuntu builds
Move debian/changelog to debian-alt/trusty/changelog
Move debian-alt/jessie/changelog to debian/changelog
Add apps/jetty/jettylib/jsp-api.jar to classpath for jsp builds