Common trips + bug fixes for visit tracking, startup and last week's restructuring

Major changes are:

1. fix for visit tracking (@shankari)
2. additional logging for startup (@shankari)
3. fixes for last week's restructuring (@krisma)
4. fixed common trips + better common trips UI (@shankari)

Screenshots:

Map	Menu	List

ChangeLog:

• Improve heatmap to indicate when loading is in progress
• If we select the light theme, then the "Profile" link back from the recent tab is invisible
• Add frequently used controls to the main profile screen
• Restore refresh and hostname
• Add additional logging for the startup
• Restructure the common trips screen to be more complex
• Add some additional preprocessing of the place information
• Try again to get the map clicks to work
• Added some additional parsing for the common trips information
• Display information about the common trip linking the two common places