Use sphinx-issues extension in docs

[alimanfoo]

Resolves #191.

[pep8speaks]

Hello @alimanfoo! Thanks for updating the PR.

• There are no PEP8 issues in the file allel/stats/misc.py !

• In the file docs/conf.py, following are the PEP8 issues :

Line 54:1: E265 block comment should start with '# '
Line 75:1: E265 block comment should start with '# '
Line 96:1: E265 block comment should start with '# '
Line 100:1: E265 block comment should start with '# '
Line 102:1: E265 block comment should start with '# '
Line 109:1: E265 block comment should start with '# '
Line 112:1: E265 block comment should start with '# '
Line 116:1: E265 block comment should start with '# '
Line 120:1: E265 block comment should start with '# '
Line 126:1: E265 block comment should start with '# '
Line 129:1: E265 block comment should start with '# '
Line 141:1: E265 block comment should start with '# '
Line 144:1: E265 block comment should start with '# '
Line 148:1: E265 block comment should start with '# '
Line 151:1: E265 block comment should start with '# '
Line 155:1: E265 block comment should start with '# '
Line 160:1: E265 block comment should start with '# '
Line 169:1: E265 block comment should start with '# '
Line 173:1: E265 block comment should start with '# '
Line 176:1: E265 block comment should start with '# '
Line 180:1: E265 block comment should start with '# '
Line 183:1: E265 block comment should start with '# '
Line 186:1: E265 block comment should start with '# '
Line 189:1: E265 block comment should start with '# '
Line 192:1: E265 block comment should start with '# '
Line 195:1: E265 block comment should start with '# '
Line 198:1: E265 block comment should start with '# '
Line 203:1: E265 block comment should start with '# '
Line 206:1: E265 block comment should start with '# '
Line 215:1: E122 continuation line missing indentation or outdented
Line 216:1: E122 continuation line missing indentation or outdented
Line 216:1: E265 block comment should start with '# '
Line 218:1: E122 continuation line missing indentation or outdented
Line 219:1: E122 continuation line missing indentation or outdented
Line 219:1: E265 block comment should start with '# '
Line 221:1: E122 continuation line missing indentation or outdented
Line 222:1: E122 continuation line missing indentation or outdented
Line 222:1: E265 block comment should start with '# '
Line 234:1: E265 block comment should start with '# '
Line 238:1: E265 block comment should start with '# '
Line 241:1: E265 block comment should start with '# '
Line 244:1: E265 block comment should start with '# '
Line 247:1: E265 block comment should start with '# '
Line 250:1: E265 block comment should start with '# '
Line 263:1: E265 block comment should start with '# '
Line 278:1: E265 block comment should start with '# '
Line 281:1: E265 block comment should start with '# '
Line 284:1: E265 block comment should start with '# '
Line 287:1: E265 block comment should start with '# '

Comment last updated on December 20, 2018 at 10:52 Hours UTC