Merge pull request #1 from IBMStreams/master

Get updates from IBMStreams in hildrum's fork
documentation updates IBMStreams/streamsx.hbase #14, plus some while-i-was-there context check stuff.  Fixes IBMStreams/toolkits #9
Fix formatting so it picks up comment as spldoc
Quick test that just runs the samples.  Intended as only a temporary measure
Fix HBASEScan description and fix some places where I forgot getBytes(charset)
Merge pull request #15 from hildrum/master

doc updates and bug fixes