engine manager: Handling release calls for engines not created by the manager.
various: Strip whitespace.
engine_manager, logger: Spell check.
engine manager: Code review updates. Mostly documentation.
clipp: Add @add and @addmissing modifiers to add headers.
Update nginx module to the new engine manager and logging API.
ngx_ironbee_module missing from previous commit
engine/module: Fix many issues with ib_module_dup().
engine_manager.h: Documentation fix.
predicate/standard_test: Fix a silly doxygen warning.
configure.ac: Remove CODESTYLE.md from Doxygen output as Doxygen has never been able to understand it with all its example code.
clipp/clipp_test: Be a little more friendly to people who want to use ClippTest outside of 'make check'.  See CHANGES.md.
clipp/clipp_test: assert_every_log_match and assert_every_log_no_match now give more useful output.
lua/validator.lua: Remove incorrect validator check.
predicate/reference.md: Spelling.
predicate/reference.html: Update to reflect recent changes to reference.md.
clipp/clipp.md: Document recent changes to ClippTest.
config-parser: Doxygen updates.
engine manager: Code review updates.
modules: The IB Engine now gets a copy of the module struct to use.