nijel/weblate — pull request #495 by nblock (2014-07-28 11:40:13+00:00)
Title: Mention a dependency to libfreetype6.

Libfreetype6 is essentially a dependency to compile Pillow with libfreetype support. Without this library, the activity graphs are broken and the following traceback appears in the logs:
```
Traceback (most recent call last):
File "/var/www/weblate-venv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 112, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/var/www/weblate/weblate/trans/views/charts.py", line 122, in monthly_activity
return render_activity(activity)
File "/var/www/weblate/weblate/trans/views/charts.py", line 52, in render_activity
font = get_font(11)
File "/var/www/weblate/weblate/trans/fonts.py", line 695, in get_font
size
File "/var/www/weblate-venv/local/lib/python2.7/site-packages/PIL/ImageFont.py", line 228, in truetype
return FreeTypeFont(font, size, index, encoding)
File "/var/www/weblate-venv/local/lib/python2.7/site-packages/PIL/ImageFont.py", line 131, in __init__
self.font = core.getfont(font, size, index, encoding)
File "/var/www/weblate-venv/local/lib/python2.7/site-packages/PIL/ImageFont.py", line 42, in __getattr__
raise ImportError("The _imagingft C module is not installed")
ImportError: The _imagingft C module is not installed
```