QA checker api

The following parameters may be provided to compiled binary "hist_compare_api": -chash : for comparision of different commit hash. you should provide more than one hashs after this "-chash" flag -wtest : for comparision of weekly test. you should provide more than one week numbers (in yyyy_ww format) after -"-wtest" flag -config: provide the config file name only inside the config directory. It is optional parameter. If you don't want to compare commits or weekly test then you should only provide config file name with "- config" flag -output: for output file name(optional)