Minor changes to classpaths in build.xml to use latest structure, e.g. org.lemsml.jlemsviz.VizMain -> org.lemsml.jlems.viz.VizMain
Merge branch 'master' into padraig_test
Merge pull request #2 from robertcannon/master

Merge Robert's master into my test branch
Retested tunnel example
Simple script to compare directories in jLEMS & jLEMSDev
Some tidying up of expression classes
Adding J to Dimensional for Luminous intensity

Adding LEMSException, from which all other LEMS exceptions will inherit
Many more @Override & formatting
Minor formatting changes
More on compare script
Merge branch 'master' into padraig_test

* master:
  Setting correct path to examples
Adding travis test script
Minor changes to formatting/LEMSExceptions
Removing comparejLEMS from branch
Merge branch 'padraig_test' into mpt
Merge branch 'padraig_test' into mpt
Merge branch 'master' of https://github.com/robertcannon/jLEMSDev.git