Fixes Typos in the documentation

Fixed a few typos and some grammar errors.
Also removed the start of an unfinished sentence.
Am 12. Oktober 2014 15:56:42 MESZ, schrieb Raphael Michel <notifications@github.com>:
>> @@ -9,7 +9,7 @@ Technical goals
>>  * Python 3.4 features may be used, Python 3.2 is an absolute
>requirement
>>  * Use Django 1.7+
>>  * Be PEP-8 compliant
>> -* Be fully internationalization, unicode and timezone aware
>> +* Be fully internationalized, unicode and timezone aware
>
>I'm actually unsure about this. I intended to write something like
>'internationalization-, unicode- and timezone-aware', so a list of
>three things to be aware of.
>
>---
>Reply to this email directly or view it on GitHub:
>https://github.com/tixl/tixl/pull/3/files#r18747770

Ah, ok, I parsed it wrong. Both would be ok.