Release 5.3.1.0

• Updated for ES 5.3.1

Release 5.3.0.1

• Added index level metric open_contexts

Release 5.2.2.1

• Backported open_contexts to ES 5.2.2

#15

Release 5.2.1.1

• Backported open_contexts to ES 5.2.1

#15

Release 5.2.0.1

• Backported open_contexts to ES 5.2.0

#15

Release 5.1.2.1

• Backported open_contexts to ES 5.1.2

#15

Release 5.1.1.1

• Backported open_contexts to ES 5.1.1

#15

Release 5.0.2.1

• Backported open_contexts to ES 5.0.2

#15

Release 5.0.1.1

• Backported open_contexts to ES 5.0.1

#15

Release 5.0.0.1

• Backported open_contexts to ES 5.0.0

#15