txlog: Move warning messages for header order to info level.
resource_pool: Report unexpected NULL resources from being obtained.
lua_runtime.c: Zero modlua_runtime_t structures upon desruction to provoke crashes on errors.
modules: Allow loading modules with simple name instead of requiring full filename.
Squashed 'libs/libhtp/' changes from 2134d03..a85cb55

a85cb55 Update for 0.5.12.
236bcfe Improve error logging.
71f29e6 Fix memory leak.
ef57848 Fix memory leak and tidy up.
96d985e Fix double Content-Length issue.

git-subtree-dir: libs/libhtp
git-subtree-split: a85cb558bb006f2928f44bde63f1e93536b93114
libhtp: Sync libhtp with 0.5.12.
clipp/ibaudit_to_pb.rb: Improve robustness in face of invalid encoding.
modsec_compat: Add remaining 1-byte HTML entities to ib_util_decode_html_entity() until we can rewrite these compat functions.