Modified travis_script.sh to account for the new structure of the gallery
Added README.txt files in directories of gallery examples
Fixed references to gallery images in user guide pages
Fixed broken links
Skip doc build on 3.2
Skip doc build on 3.2
Use block literal
Fix html make target
Revert change to threshold_isodata
Fix skimage.novice and thresholding warnings
Fix feature.__init__ __all__
Fix generic.py link
Doc reference fixes
Fix missing class member warnings
Add parallelization to the user guide toc
Remove unused automodule directives
Fix sub_dirs in gallery_index
Remove unused file and fix reference to api/api
Add missing links to user guide
Use pre-output links to images
Recover from Juan's doc 'upgrades'
emmanuelle