Update HBASEOperator.java

Update comments to reflect new way file paths are handled.
Merge pull request #47 from hildrum/master

Updates to test-like samples to allow for easier testing
Fix build.xml so that the release output file is streamsx.hbase instead of streamx.hbase, and make make fix so that the release includes the toolkit and not just the samples.
add standalone target
Updates to samples
Add icons
Make compile time check
Merge branch 'master' of github.com:IBMStreams/streamsx.hbase
Fixes IBMStreams/streamsx.hbase #48 -- giving a runtime error instead of a null pointer exception