Update vpr_api.py

Task #141
Update views.py

Task #172
 - Wrap code block with pre tag
Merge pull request #11 from NamPNQ/patch-4

Patch 4
Merge branch 'fix_bugs_from_aminh'
Merge branch 'fix_bugs_from_aminh'
Update readme.md

Add client id information
Fix: show code in content when view collection
Compress banner images
Update images optimize
Update images/contents/0e60bfc6.jpg optimize
Compress banner images
Merge branch 'stagging' of https://github.com/voer-platform/vpw

# By wrwr (2) and Huy Vu (1)
# Via wrwr
* 'stagging' of https://github.com/voer-platform/vpw:
  Update images/contents/0e60bfc6.jpg optimize
  Update images optimize
  Compress banner images

Conflicts:
	static/images/contents/01f46fc2.jpg
Update images slide, images categories optimized
Merge branch 'stagging' of https://github.com/voer-platform/vpw into stagging
Merge branch 'stagging'