Standardize some spelling. Add remark about not supported gmap format.
Reorganization of DocGisItems* and of some Adv* pages. New: track range tool, route optimization.
changes due to commit "Drawing track: Alternate mode O A V T with a simple key with no modifiers (#14)"
remove [TOC} macro from Wiki pages
Fix emphasis problem
Initial commit to port the wiki from Bitbucket into GitHub