updated display.xmap for non-camelCase interface; removed non-caching properties of pipeline
added dc.source and dc.extent to bitstream handler code; fixed issue in unit tests where test server port is reported in dc.source, but changes between test runs
added bitstream handler for jpg, png
Merge branch 'handler-image'

Conflicts:
	dryad-widgets-webapp/src/main/webapp/aspects/widgets/display.xmap
do not assume the first row of a csv is a header row
testing headless it tests in .travis.yml
fixed mvn command in travis file
escaping mvn commands
updated csv test files
removing debug line from test file
rebase csv handler with dryad-repo
remove debug line
Merge branch 'master' of https://github.com/rnathanday/dryad-widgets
merging updates from banner-widget code in dryad-repo
fixed debug server for it test file; make log4j properties ERROR; comment out pom parent for standalone
Merge branch 'master' into docs
further wiki additions