Merge pull request #28 from DBrodsky90/david

Added image_add and image_remove methods to boards controller
created new board form.
new views
Merge pull request #29 from DBrodsky90/lauren

created new board form.
updated sessions form and splash page, removed presence of public from boards controller
added a dummy index page
Merge pull request #30 from DBrodsky90/amanda

added a dummy index page
Merge pull request #31 from DBrodsky90/lauren

updated sessions form and splash page, removed presence of public from b...
image controllers and views + some rspec