working on #3 - add back links from tours and details
Merge pull request #33 from groovecoder/navigation-3

working on #3 - add back links from tours and details
working on #3 - use tour name on tour_detail
Merge pull request #34 from groovecoder/navigation-3

working on #3 - use tour name on tour_detail
fix #32 - add "Read more" external link
Merge pull request #35 from groovecoder/read-more-32

fix #32 - add "Read more" external link
add get center of page geometries
remove obsolete html render functions
distance added to tour list