demo app, README, screenshots, travis.yml

Also fix for merging of lists and tables when input html is empty.
fixing README
fixing README
Updates to README
Updated README, fixing links
Updating to 1.4.0
changing scm to use ssh
[maven-release-plugin] prepare release 1.4.0
[maven-release-plugin] prepare for next development iteration
Starting to refactor into the org.isisaddons.module.docx module

- service renamed to "dom"
- old zzzdemo webapp deleted
- new fixture/integtests/webapp from the simpleapp v1.6.0 archetype.
Fixing up unit tests.
example app + integtests.
Updating README, minor fix to CustomerContribution example service.
updating travis-ci config file.
Additional unit tests for MatchingPolicy and malformed input.
isis-module-wrapper -> isis-core-wrapper (1.6.0-RC3).
Tiny fixes.
Minor updates to README.
bumping to JDK 1.7.
updating README