remove code that is in common with CPP_SPM and add missing test for check optionns

[marcobarilari]

see cpp-lln-lab/bidspm#227 and cpp-lln-lab/bidspm#311

[codecov]

Codecov Report

Merging #6 (9b31ac9) into master (f18c835) will increase coverage by 38.09%.
The diff coverage is 38.09%.

@@             Coverage Diff             @@
##           master       #6       +/-   ##
===========================================
+ Coverage        0   38.09%   +38.09%     
===========================================
  Files           0        6        +6     
  Lines           0       84       +84     
===========================================
+ Hits            0       32       +32     
- Misses          0       52       +52     

Flag	Coverage Δ
unittests	38.09% <38.09%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/bidsGZipRawFolder.m	0.00% <0.00%> (ø)
src/convert3Dto4D.m	0.00% <0.00%> (ø)
src/setDefaultFields.m	83.33% <83.33%> (ø)
src/batches/setBatchGZip.m	100.00% <100.00%> (ø)
src/defaults/checkOptionsSource.m	100.00% <100.00%> (ø)
src/printBatchName.m	100.00% <100.00%> (ø)
... and 2 more

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[marcobarilari]

at the moment we decided that we would like to havesourceMRIto work as a stand-alone tool so we keep code that is in common withCPP_SPM`

[Remi-Gau]

OK with me

Merge at will