Merge pull request #20 from rohitsw/master

Initial delivery of Kafka operators. resolves #2
removed encoder in properties
Merge branch 'master' of github.com:IBMStreams/streamsx.messaging
Update README.md

Added instructions on how to build the toolkit
Update README.md
Setup for Maven in Streams Studio
Merge branch 'master' of https://github.com/IBMStreams/streamsx.messaging.git
Fixed Ant script to exclude *$StreamsModel.class files.
Otherwise, toolkit indexing will fail.
Undo last change to exclude $StreamModel.java
Issue #21:  Update build.xml to make it work more nicely with Studio
Updated readme
Update README.md
Merge branch 'master' of github.com:IBMStreams/streamsx.messaging
Update README.md
Issue #21:  Trying to fix the build script again, need to point to jar
file.
Merge branch 'master' of https://github.com/IBMStreams/streamsx.messaging.git
Merge branch 'master' of github.com:IBMStreams/streamsx.messaging
updated eclipse build to work with ant #21