[#64977840] TrialLessonsController#index retrives t.l. in asc order
[#64977840] In desc order not in asc order
[#64977858] index doesn't retrieve archived trial lessons
merge origin/64977858-hide-archive-lessons
[#64977850] schema
[#62322604] bootstrap 3 button styles
in production use a bucket in us standard zone
[#64977850] Add archive button
[#64977858] change query, for postgresql compatibility
install AppSignal , similar to NewRelic
[#62322604] override bootstraps new line in date pick
[#62322604] buttons and forms to bootstrap 3
[#64977850] translations for the archive link
Merge remote-tracking branch 'origin/64977850-archive-tl'
[#62322604] select, buttons and checkboxes to comply with bootstrap 3
conflicts resolved