Update changelog

CHANGES.rst

@@ -9,6 +9,16 @@ Version 2.0.15
 
 Release date to be decided.
 
+- Speedup NCBI mapview file import (`#124
+  <https://github.com/mutalyzer/mutalyzer/pull/124>`_).
+- Parse genbank file without VERSION field (`#126
+  <https://github.com/mutalyzer/mutalyzer/pull/126>`_).
+- Fix issue where some transcripts would not show in the legend (`#136
+  <https://github.com/mutalyzer/mutalyzer/pull/136>`_).
+- Don't discard complete gene from GenBank file when it has incomplete but
+  also complete features annotated (`#138
+  <https://github.com/mutalyzer/mutalyzer/pull/138>`_)
+
 
 Version 2.0.14
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