rsyslog work log 35

Yesterday’s rsyslog work log:
– created new class ctok_token
– created some notes on powertop and imfile
– basic implementation of expression parser parsing done
– improved ABNF a bit
– added support for C-like inline comments (/* comment… */)
– created design diagram for expression execution
– created var class out of property_t
– changed rsCStrDestruct() to use the new interface conventions
– $MainMessageQueueDiscardSeverity can now also handle textual severities
(previously only integers)
– bugfix: message object was not properly synchronized when the
main queue had a single thread and non-direct action queues were used
– added vmop class (stage for expression execution)
– added “contains” and “startwith” comparison operations
– defined initial set of opcodes
– created initial vmprg class
– used new classes in expr.c
– begun expr compile process, first steps done