message: merge 3 migrations into one (lib)
diff: @@ -120,22 +120,13 @@ error Migrations::migrateAutotracker() {
  err = db_->Migrate(
  "autotracker_settings.start_time",
  +
  "alter table autotracker_settings"
  - " add column start_time varchar not null default '';");
  - if (err != noError) {
  - return err;
  - }
  + " add column start_time varchar not null default '';"
  - err = db_->Migrate(
  - "autotracker_settings.end_time",
  "alter table autotracker_settings"
  - " add column end_time varchar not null default '';");
  - if (err != noError) {
  - return err;
  - }
  + " add column end_time varchar not null default '';"
  - err = db_->Migrate(
  - "autotracker_settings.days_of_week",
  "alter table autotracker_settings"
  " add column days_of_week integer not null default 0;");
  if (err != noError) {
  