DOC update lessons' link of index.html
Adding a figure to the database filters lesson
Merge pull request #70 from HaveF/swc_shell_lost_temple

DOC add lost part(intro) to the swc-shell
Merge pull request #78 from HaveF/first_page_link_update

DOC update lessons' link of index.html
Add explanation for "no output behavior" of cd
Add additional heading, move 'no output box' down a bit
removed aggravating comma
Merge pull request #80 from ChristinaLK/making-changes

Adding a figure to the database filters lesson
removed whitespace per @ethanwhite
Merge pull request #65 from cmacdonell/improvements

Add field names to tables and image to illustrate join
Add notes from summer 2013 bootcamps
Merge pull request #52 from r-gaia-cs/git-editor

Add editor for GNU/Linux in swc-git
Merge pull request #53 from r-gaia-cs/git-intro

Add cloud storage "info" in swc-git lesson
Merge pull request #57 from mollygibson/files-and-lists

Updating swc-python files-list ipython notebook.
Merge pull request #68 from HaveF/swc_shell_images_issue

DOC fix image path in swc-shell
Merge pull request #69 from HaveF/toc_issue

add TOC for README.md
Merge pull request #66 from wltrimbl/vcremote-testrepo

Changes to thw-git after field testing this summer
add tips for who hasn't have `make` in Windows when `make check`
add tips for `Previewing the Site` section
a couple more corrections to top-level README