Update gitignore to include sublime text 2 project files
re-arrange homepage switcher so it changes grade buttons and "about..." content below; remove curriculum structure content for science and social science curriculum choices; remove some grade choices for science and social science on homepage and curriculum landing;
Add overview text to module and unit curriculum maps;
change text buttons on texts landing page to reflect changes on our-curriculum landing;
Remove Quantity and ISBN cols on text detail page and replace with Publisher and Lexile columns;
Change "texts for independent study" descriptor to "optional texts for students... (cont.)"
Add approved overview text to curriculum maps for modules and units;
Move "action-link" object into "extendables" partial; Add action links to module and unit curriculum maps linking over to corresponding overviews;
Added "calendared curriculum" section to module and unit details that links to relevant curriculum map;
add button for downloading just the module overview on the module detail; change label of existing download button to work better when grouped with overview download;
Remove "required and recommended" from container titles on texts section landing page
Add text guide download to text landing page; add supporting styles to texts partial;
Merge branch 'master' into gh-pages