A production-quality JMonkeyEngine 3.6 patch release with the following noteworthy changes relative to 3.6.0-stable:

• re-initialize the renderer on each context restart (issues #798 and #801, PR #1988)
• update the LWJGL3 libraries from v3.3.1 to v3.3.2 (76ebd144 and issue #1778)
• app crashes when using OpenGL version 3.0 and 3.1 (issue #2011, PR #2009)
• instanced objects are culled when using WaterFilter (issue #2007, PRs #2008 and #2036)
• better messages in Spatial assertions (issue #1992, PR #1993)
• use PrimitiveAllocator by default on Android (PR #2029)
• serialization of ShaderNodeDefinition (issue #2034, PR #2035)