Added support for indexing fields with regular expressions
Minor generics cleanup.
Range query bugfix: should be _type not type.
Removing dependency on git plugin, as it made the project impossible to build form a tarball.
Gateway interface simplification.

Removing the (redundant) PluginRegistry passed.
Replacing String.valueOf("0") by "0".
Merge branch 'bugfix/type-in-range' of https://github.com/divchenko/sensei into divchenko-bugfix/type-in-range
Merge branch 'divchenko-bugfix/type-in-range'

Fixes a typo in the java client's Range query.
Merge branch 'feature/gatewaySimplification'

Removing redundant plugin registry in dataSourceFilter, as it's already passed with the constructor.
Merge branch 'master' of https://github.com/khayashi/sensei into khayashi-master
Adding trivial test for DisMax.
Adding guava dependency for the client.
Merge branch 'khayashi-master'

Minor changes in toString in the query types.
Bumping snapshot version to 1.5.6-SNAPSHOT.
Merge branch 'dynamic-fields-support' of https://github.com/rahula/sensei into rahula-dynamic-fields-support
Merge branch 'rahula-dynamic-fields-support'

This featureset is waiting for a refactor that should come in next week.
Generating javadocs and source package for sensei-hadoop-indexing.
Added three Lucene analyzer factories.
Minor Javadoc fix in LucenePatternAnalyzerFactory
Fixed regular expressions in analyzer plugins