Manpages of hisat2 in Debian experimental

• hisat2-align-l(1)
• hisat2-align-s(1)
• hisat2-build-l(1)
• hisat2-build-s(1)
• hisat2-build(1)
• hisat2-inspect-l(1)
• hisat2-inspect-s(1)
• hisat2-inspect(1)
• hisat2(1)