[TEST] FMIndex: tested more specs
[FIX] FMIndex: always initialize first sentinel positions to false during BWT construction
[FIX] FMIndex: initialize first indicator positions in CSA construction
Merge branch 'fix/fm_index_sentinels' into develop

* fix/fm_index_sentinels:
  [FIX] FMIndex: initialize first indicator positions in CSA construction
  [FIX] FMIndex: always initialize first sentinel positions to false during BWT construction
  [TEST] FMIndex: tested more specs
[FEATURE,CLI] Using git version in mason2 programs.
Merge pull request #40 from holtgrewe/feature/mason2_git_version

[FEATURE,CLI] Using git version in mason2 programs.
[FIX] Levels RankDictionary: pad uninitialized values
[FIX, INTERNAL] Masai: overloaded Size<> for SparseString, changed sentinels RankDictionary spec to Naive
[TEST] Masai: updated FMIndex files
Merge branch 'test/masai' into develop

* test/masai:
  [TEST] Masai: updated FMIndex files
  [FIX, INTERNAL] Masai: overloaded Size<> for SparseString, changed sentinels RankDictionary spec to Naive
[MERGE] Merging rebase.