First draft of roadlist
Road statistic
 - Adding links between points
 - Display present for points
Complete road statistic for Roads and Segments
- Adding flexible destination-URL for HTML-table output
- CSS with even/odd for road-table
- role <=> type depend requirement of elements in relations
- Overpass-API timeout message
- Display other roads and segments
Revent: fexibile Links in write_line / write_table
modify write_line/write_link: add link to status of class L
tmcroad: status summary in static foot of page
css: adding error-box
Merge pull request #2 from britiger/master

Add status page for roads (tmc class = L)