Examples 1-3 up to date w/ latest version
Add Example 4
Doc index compatible with v0.1
Fix merge conflicts

Conflicts:
	site/app/examples/example1.html
	site/app/examples/example3.html
Update styling on Example 4
fixes bug where circle class d.node_type is not valid because node_types is not used in data. it now follows same procedure as applying the classes for the node, that is, checking the nodeTypes in the conf.
Merge pull request #162 from MDCox/search

Captions show during search
pulling in new change from upstream
updated sample data to reflect root node and node_type changes
Merge pull request #163 from MDCox/master

Examples/Index updated to release v0.1
removed all instances of node_type
Merge pull request #165 from ifjorissen/ifj_alchemy-bugs

misc bugs in alchemy.js
angularize
Merge branch 'master' of https://github.com/GraphAlchemist/alchemy

Conflicts:
	site/app/examples/example1.html
	site/app/index.html
minor updates to example4 styles
Merge branch 'master' of https://github.com/GraphAlchemist/Alchemy into ifj_docs
angularize app...  thinks (mostly) working
merging with upstream
root node layout function
refactoring tests add dist