edx/edx-platform — pull request #1997 by e0d (2013-12-19 02:50:48+00:00)
Title: script bombs if comments include unicode

@cpennington

```
./scripts/release.py --previous 25958e87a2ee687ecd7d76e6a94739172714bc45 --current a78400a8d887aedc025aeb7d0490bcdf29be48e4 --date 2013-12-18
```

```
Traceback (most recent call last):
File "./scripts/release.py", line 167, in
main()
File "./scripts/release.py", line 164, in main
print(generate_table(commit_range, include_merge=args.merge))
File "./scripts/release.py", line 111, in generate_table
verified="",
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2019' in position 25: ordinal not in range(128)

.encode('ascii',errors='ignore')
```