Merge pull request #93 from ChrisBeaumont/master

small doc tweaks
Clarify that flux is not background subtracted
Add docstring for Structure.height
Merge pull request #90 from astrofrog/docstring-height

Add docstring for ``height``
Merge pull request #91 from astrofrog/clarify-flux

Clarify that ``flux`` is the sum of the pixel values, no background subtraction
Finalized installation instructions for stable release
Added URL to setup.py
Added @keflavich to author list in setup.py
Fix any instances of AstroDendro to astrodendro for consistency
Added 'getting help'
Added CHANGES file
Updated version strings to 0.1.0
Minor fix in README.md
Added a section on citing the use of astrodendro
Fix typo
Fixed links to API in docstrings
Merge pull request #97 from astrofrog/fix-api-links-docstrings

Internal class references on doc pages should be links
better type and dimension checking for indices in structure_at
Merge pull request #98 from keflavich/structure_at_indexing

Minor change: check type of index before using it
Multiple Selections and Scatter plot visualization