Fixes library dependencies for integration test plugins

* Ensures test plugins are 1.6 and not 1.5

* Fixes names of teiid client plugin in build.xml files which has been
  renamed

* Removes teiid client plugin.xml entry from build.properties since this
  causes a tycho error
Auto download the komodo shell library

* Adds an additional lib plugin for the aesh library for use in the komodo
  shell.

* Since komodo shell has a number of dependencies, its easier to have a lib
  plugin do the maven heavy-lifting
Merge pull request #11 from phantomjinx/shell-lib

Auto download the komodo shell library