flight.js: Fixed phase table cursor assignment

There is no point in assigning the cursor just on hover
flight.js: Use jQuery on() instead of delegate()

delegate() is deprecated since 1.7
flight.js: Moved # to initPhasesTable() caller
flight.js: Simplified selector in initPhasesTable() function
flight.js: Don't show "Flight Phases" layer in switcher
flight.js: Extracted phase-table.js module