[FEATURE] ArgumentParser now also accepts (char **) for argv.

Addresses seqan/seqan#574
Merge branch 'develop' of github.com:seqan/seqan into feature/stream/non-const-argv
Merge pull request #586 from holtgrewe/feature/stream/non-const-argv

Feature/stream/non const argv
[FIX] fixed test_gff_io to changed tag members
[FIX] converted alf
[FIX] removed breakpoint_calculator and variant_comp (they can be added again if Birte and Anne-Katrin have port them)
[FIX] converted fx_bam_coverage
[FIX] converted fx_fastq_stats
[FIX] fixed test_vcf_io
Merge pull request #587 from weese/feature/stream-fixes

[FIX] various new I/O related fixes
[FIX] fixed bs_tools
Merge pull request #588 from weese/feature/stream-fixes

[FIX] fixed bs_tools