New features:
 - Implemented injected waveforms estimation and SNR statistics, please refer to https://git.ligo.org/yumeng.xu/pycwb/-/merge_requests/22
 - Added docker support and optimized the job control, please refer to https://git.ligo.org/yumeng.xu/pycwb/-/merge_requests/23

Bug fixes:
 - Some minor bug fix and renaming of variables, details are in the above MRs