Added missing scripts and requirements (#126)

* Added missing scripts

Added tigmint_estimate_dist.py and tigmint-ntlink-map

* Added btllib to install_requires as tigmint_estimate_dist needs it

Author: ccoulombe

setup.py

@@ -19,14 +19,19 @@
         "pybedtools",
         "pysam",
         "statistics",
-        "numpy"],
+        "numpy",
+        "btllib",
+    ],
     scripts=[
         "bin/tigmint",
         "bin/tigmint-arcs-tsv",
         "bin/tigmint-cut",
         "bin/tigmint-make",
         "bin/tigmint_molecule.py",
-        "bin/tigmint_molecule_paf.py"],
+        "bin/tigmint_molecule_paf.py",
+        "bin/tigmint_estimate_dist.py",
+        "bin/tigmint-ntlink-map",
+    ],
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",