Added 'const' or '&' to arguments when needed.
Changes according @daschuer comments.
Rewrited CrateDAO::addTracksToCrate.
If track ID List is not used by the callers afterwards, use pointer;
output parameters are at the end of the parameter list.
Rewrite AnalysisDao::loadAnalysesFromQuery arguments.
Merge pull request #32 from troyane/DAO_cleanup

Added 'const' or '&' to arguments when needed.