changelog update

* current development 

- [PZ] updated default parameters

- [PZ] fixed phase offset bug

- [PZ] new global matching parameters

- [PZ] fixed numerical issue in calculating var_tau

- [PZ] allow to change echo sign

- [PZ] reporting error

- [PZ] fixed monitor spectrum transformation (SNS)

- [PZ] allow for missing phases, coord. sys. improvements

- [PZ] SNS analysis cluster setup script

* version 1.2.2 (Feb 23, 2021)

- [PZ] moved const param in read_data to global part

- [PZ] change error to warnings in computing phase offset

- [PZ] gfortran warnings in new_com.F90

- [PZ] silence allocation warnings

* version 1.2.0 (Jan 12, 2021)

- [PZ]  working version of q mask issue #18

- [PZ]  added tests/drspine_profile for reproducible tests

- [PZ]  makefile and doxygen updates

- [PZ]  fix issue #16

* version 1.1.2 (Aug 31, 2020)

- [PZ] added plot q command