minor: build fixes and cleanup
image: tweaking rendering
minor: removing redundant index html file
build: removing index.html
minor: only sort ref-toc trees and not normal tocs
Update sharded-cluster-internals.txt

User had confusion because balance threshold resets when any chunk migration fails.

Signed-off-by: Sam Kleinman <samk@10gen.com>
change image width size in metadata and fix rs.add

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1525 fix alignment for proper rendering

Signed-off-by: Sam Kleinman <samk@10gen.com>
build: refactoring sphinx build logic and changing approach to fabric use
build,minor: refactoring build file for pdfs, to be less obtuse.
build: moving the utils.py file and refactoring the way pdfs are generated.
minor: moving stale files
build: refactoring sphinx and image building
minor: fixing import
minor: fixing operation sequence for pdf builds and adding dependency to reduce sitemap related errors
minor edits to images
DOCS-1523 replica sets core toc
DOCS-1523: edits
DOCS-1501 edit images change font style light to regular

Signed-off-by: Sam Kleinman <samk@10gen.com>
build: adding cleanup abilitites to buildsystem