add lear controller and views
add start action
add foot_notes to project
fix test and add todo note.. 02:44 =(
fix next and start controller
add rails_temporary_data  to store tmp data
add simple styling to next view
add styling (hide_translate_block)
add event to key (Up, Down)
add nice button
add saved temp_data
add model annotate and increment methods [WordStatistic]
add sorting words and 2 new action [LearnController]
Merge pull request #5 from max-si-m/feature/learn

Feature/learn