Minor bug fix and a lot of clean-up in preparation of the first revision of the paper. All comparison with MDMR and NBS are going to be removed (they will be part of a separate paper), both on real data and on simulations. This is going to simplify the project a lot.
1. Removed a few scripts that are deprecated for the revision 2.0 of the paper.
2. Changed the omnibus test to something based on the percentage of discovery (rather than max t-test) in GLMC_SIMU_MULTISCALE.
3. Changed the default FDR method to 'BH-global' in GLMC_SIMU_MULTISCALE.
4. added support for multiple FDR threshold in GLMC_SIMU_MULTISCALE.

Some of these changes have not been tested, and are likely not working.
Default FDR method is now FDR-BH.