Enable Travis

[tarrow]

Make travis work on this repository.

Current situation is it has been added to travis.org and travis will run on anything with a .travis.yml.

fails with

[ERROR] /home/travis/build/ContentMine/ami-plugin/src/main/java/org/xmlcml/ami2/plugins/phylotree/PhyloTreeArgProcessor.java:[80,17] cannot find symbol
  symbol:   method CORE_LOG()
  location: class org.xmlcml.ami2.plugins.phylotree.PhyloTreeArgProcessor
[ERROR] /home/travis/build/ContentMine/ami-plugin/src/main/java/org/xmlcml/ami2/plugins/phylotree/PhyloTreeArgProcessor.java:[130,27] cannot find symbol
  symbol:   method CORE_LOG()
  location: class org.xmlcml.ami2.plugins.phylotree.PhyloTreeArgProcessor
[ERROR] /home/travis/build/ContentMine/ami-plugin/src/main/java/org/xmlcml/ami2/plugins/ResultsAnalysis.java:[249,31] cannot find symbol
  symbol:   method setColumnHeadingList(java.util.List<org.xmlcml.cmine.util.CellRenderer>)
  location: variable dataTablesTool of type org.xmlcml.cmine.util.DataTablesTool
[ERROR] /home/travis/build/ContentMine/ami-plugin/src/main/java/org/xmlcml/ami2/plugins/CommandProcessor.java:[147,41] cannot find symbol
  symbol:   variable columnHeadingList
  location: variable dataTablesTool of type org.xmlcml.cmine.util.DataTablesTool
[ERROR] /home/travis/build/ContentMine/ami-plugin/src/main/java/org/xmlcml/ami2/plugins/CommandProcessor.java:[149,56] cannot find symbol
  symbol:   variable columnHeadingList
  location: variable dataTablesTool of type org.xmlcml.cmine.util.DataTablesTool