updated helioviewer guide docs
updated docs to new map call
Merge pull request #709 from wafels/hv_doc

Improved documentation for Helioviewer
Add anaconda install section to windows docs
improve the install documentation
tidying up
more tweaks
More tweaks to install and trying to fix latex bugs
Add Xcode note to mac.rst
fix typo
link back from platform anaconda instructions
make database from astropy module
revert to original database api docs, they work with latex @derdon
suggest that the user really does want to install the optional deps
Reword Xcode in main install
add a bonus tour tweak
patches to helioviewer docs from PR #709