show more infos and cleanup, ref #196

app/controllers/course/timesrooms.php

app/views/course/timesrooms/_cycleRow.php

app/views/course/timesrooms/_irregularEvents.php

app/views/course/timesrooms/_regularEvents.php

app/views/course/timesrooms/_roomRequest.php

app/views/course/timesrooms/_select_semester_range.php

app/views/course/timesrooms/cancelStack.php

app/views/course/timesrooms/createCycle.php

app/views/course/timesrooms/createSingleDate.php

app/views/course/timesrooms/editDate.php

app/views/course/timesrooms/editSemester.php

app/views/course/timesrooms/editStack.php

app/views/course/timesrooms/index.php