Add miscellaneous calibration scripts

[sdobbs]

• Script to check and fix overall 2ns shifts
• Added CDC gain calibration script from Naomi to with updated to CDC_amp

[gluex]

Test status for this pull request: SUCCESS

Summary: /work/halld/pull_request_test/sim-recon^sdobbs_more_calib_updates/tests/summary.txt Logs: /work/halld/pull_request_test/sim-recon^sdobbs_more_calib_updates/tests/log

Build log: /work/halld/pull_request_test/sim-recon^sdobbs_more_calib_updates/make_sdobbs_more_calib_updates.log Build report: /work/halld/pull_request_test/sim-recon^sdobbs_more_calib_updates/report_sdobbs_more_calib_updates.txt Location of build: /work/halld/pull_request_test/sim-recon^sdobbs_more_calib_updates