Merge pull request #27 from weekwood/master

Can not write a field name, expecting a value
Update README.md
Update README.md
JDBC river 2.0.0
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	src/main/java/org/elasticsearch/river/jdbc/support/ValueSet.java
README for 2.0.0
README for 2.0.0
fix for test with derby
added bintray download
added bintray download
added bintray download
added bintray download
JDBC river parameters overview
falling back to java 6 locale handling, closes #40
new maven groupId
2.0.1
2.0.1
README for 2.0.1
Fix equality test in StructuredObject when some meta-data is null.
Add unit-test to SimpleValueTests checking creation of arrays for rows with the same '_id' but different data.
Fix handling of multiple values for a field containing a null value. Created unit-test for ValueSet to verify behavior.