change button text
make page numbers unique in the scope of issue_id
make association before saving issue
add option to upload pages in new issue form
create partial for new page form
refactor form and controller to accept multiple pages at once
refactor form and pages#new template
add dependent: :destroy to has_many associations
create routes for users_issues
refactor glyphicons
add subtext class to text
display issues uploaded by user on their profile page
add links for usersto manage their own issues
reorder and re-edit navbar links