add FreeBSD10 support to doc


libs instaled:
**jpeg tiff png webp lzlib lcms2 freetype2**
(only tkinter support is missing)

#### Caveats:

**Python3 with Pillow 2.4** : 

 all tests pass

**Python3 with Pillow 2.3.1:**
(selftest.py):
all tests pass

(Tests/run.py):

```
Tests/test_file_webp.py:31: assert_image_equal(image, target) failed:
- got different content
```

**Python2.7 with Pillow 2.3.1:**

(selftest.py):

```
Traceback (most recent call last):
  File "Tests/test_imagemath.py", line 4, in <module>
    from PIL import ImageMath
  File "/usr/home/jxs/Pillow/PIL/ImageMath.py", line 19, in <module>
    from PIL import _imagingmath
ImportError: dynamic module does not define init function (init_imagingmath)
```

(Tests/run.py):

```
*** 1 test of 88 failed.
Tests/test_file_webp.py:31: assert_image_equal(image, target) failed:
- got different content
```


**Python2.7 with Pillow 2.4:** 
(selftest.py):
all tests pass

(Tests/run.py):
```
*** 11 tests of 97 failed:
test_file_eps, test_file_jpeg, test_file_libtiff, test_file_pdf, test_file_ppm, test_file_tiff, test_image_convert, test_image_load, test_imagedraw, test_imagefile, test_pickle
```