Fixed percolator path for 1.x and fixed also tests.
@Todo: doc_types in percolate should be named to doc_type as multi type percolation work in a different way now.
Merge pull request #416 from julianhille/percolator_fix

Fixed percolator path for 1.x and fixed also tests.
Merge pull request #415 from julianhille/master

Added missing field ignore_failure for ScriptFields and added a test
Typo in DecayFunction

In ``DecayFunction`` the attribute ``self._internal_name`` should be set, but there were two leading underscores -- probably a typo
Merge pull request #418 from stefankoegl/patch-1

Typo in DecayFunction
Add test case and bug fix for double serialization of delete_by_query queries.
Fix for python 2.x compatible unicode encoding of strings
Merge pull request #421 from Locu/unicode-err

Fix for python 2.x compatible unicode encoding of strings
Merge pull request #420 from Locu/upstream

Add test case and bug fix for double serialization of delete_by_query qu...
Added missing aggregation 'missing' and test for it