fix doc (toctree), add hint to Factory when using dynamic classes form kv-lang in .py
py3 fix for animation, thanks to blarghmatey for reporting
Merge pull request #1366 from rentouch/doc_dynamic_class_and_factory

fix doc (toctree), add hint to Factory when using dynamic classes form k...
minor compatibility fixes making sure some widgets and examples are working with py3.3+ and 2.7.x
py3: try to get gi works on gst buffer
gstreamer use mem.get_memory(0) to get correct address
video_gstreamer: use Gbuffer size and MemoryView size to ascertain the
offset for video
Merge pull request #1367 from kivy/py3_fixes

Py3 fixes
doc: use code-block directives in kivy.lang
Added warning about graphics and widget movements
Merge pull request #1375 from Zen-CODE/graphics_w

Added warning about graphics and widget movements
fix: suggested fix for disabled settings bug
doc: added config supression explanation
Merge pull request #1380 from Zen-CODE/config_doc

doc: added explanation for configuration behavior
fix: removed unintended commits
fix: removed unintended commits
Merge pull request #1381 from Zen-CODE/config_doc_fix

Config doc fix
doc: fixed broken formattting in guide/lang.rst
Merge pull request #1383 from Zen-CODE/guide_lang

doc: fixed broken formatting in guide/lang.rst
doc: grammatical revisions to core/spelling/__init__.py