Remove mercurial files
DELETE
.hgignore
-syntax: glob
-.*
-*.pyc
-*.egg-info
-*.log
-dist
-build

DELETE
.hgtags
-c72fc50cfc59ab5cc8331aa591f63aaf859d5250 0.3
-b90dbbc39fd0f16e38f49b1cba0605738a135e95 0.3.1
-db5e569cf68c737e35a26cc246c07620aed9564f 0.4
-38339cf1816ea99f1d54b3c1ec68c79384d529d7 0.4.1

Remove mercurial files (#1558)