"column" strategy that connects adventages "simple" and "table" strategies
support sqlparams parameter for column strategy (only in WHERE clause)
fix tests
column_deleted_at option can be null
Merge pull request #118 from jprante/0.90

0.90
fix null value support for column_deleted_at, this colum is also null for default
merge with version 2.2.0
tests and some bug fixes for column strategy: derby, h2, hsqldb, postgresql and mysql databases
adding travis yml
travis, maven plugins update
bintray URL
README
fix sql
Check fields for json before treating them as normal strings.

Right now jdbc river allows either _source field or normal fields.
There is no way of having both normal fields and json fields. This
commit fixes this issue by trying to convert each field to json if it
has valid json string.
Merge pull request #129 from msathis/master

Check fields for json before treating them as normal strings. This allows us to mix normal fields with json fields.
Merge branch 'master' of https://github.com/jprante/elasticsearch-river-jdbc
2.2.3
comments update
Merge branch 'master' of https://github.com/jprante/elasticsearch-river-jdbc
fix MockRiverSource