make search site selection javascript based dropdown
final modifications to search and sign in link on top
updates
fix span type in layout
get new style for main button
fix issue with searching teacher profiles
no limitation on admin user submitting things
add link to add photos if there are no photos for a center
add no preview available to resource show page
add difficulty level to resources
add difficulty level to resources
make all labels inline with added br
update international stuff on new teacher profile page
finalize temporary internationaliztion changes