adds professionals

adds curriculum, professions and titles to user
adds 'profesional' role
creates professional_fields_partial
Merge branch 'dev' into ft_professionals
create uploader files
upload curriculum to professional
create model position
create model position
bye bye arrow navs slider
adds css animations
create _postion_fields to user
strong parameters branch user
create table position_users
modified strong parameters
modified positions table
add views for positions
initial livereload suppport
livereload injects styles
sarasa
adds linux support
adds some seeds and nav_lynx
remove strong parameters position in branch
fixes refresh on css recompilation
create base_cell, create views galleries cell

create two widgets for galeries cell
major refactor
create contact_cell