Refactoring and fixing test of slots.
Reset the task slot when a user starts to talk about connections.
Removing debuging info
Small refactoring.
Typo.
SLU refactoring
Added use of inferred task from multiple slots.
Merge branch 'dstc_tracking' into cities
Removed the weather_time slot.
Formating the templates file..
Bugfix

Walking not anounced if departing/arriving from/to the same
stop as requested.
Merge branch 'dstc_tracking' of github.com:UFAL-DSG/alex into dstc_tracking
Merge branch 'dstc_tracking' into cities