AER-1047 - UDF performance - remove verify_environment(), which accompanied every record/stream UDF application, and reduce the scope of the associated lock.
The lock now simply surrounds create_state() to prevent contention when creating new Lua states.
Partially reverting the fix for AER-2295, keeping lua run-time failure code and removing the lua-stack examination code
Merge branch 'udf-performance'
we no longer need to build err_string, since send_failure is gone. This is the fix to not miss lua-stack values for failures
Merge branch 'master' of github.com:citrusleaf/aerospike-mod-lua
record set type function now accepts signed int. Change the call from mod_lua accordingly
Consolidate logging.
Consolidate test logging.
UDF - log a warning when a function is being called with more than 20 arguments.
Merge pull request #83 from citrusraj/master

record set type function now accepts signed int. Change the call from mo...
Merge branch 'logpolicy'
merging in new consolidated logger
Use as_log_level_tostring().