Update changelog_master.xml
Update changelog_master.xml

- added missing elements
- renamed some elements to current wording of "history track", "individual track" etc.
- prefixed and resorted some entries to build groups
matej116/cgeo,rsudev/c-geo-opensource,matej116/cgeo,cgeo/cgeo,tobiasge/cgeo,matej116/cgeo,auricgoldfinger/cgeo,cgeo/cgeo,S-Bartfast/cgeo,tobiasge/cgeo,rsudev/c-geo-opensource,auricgoldfinger/cgeo,cgeo/cgeo,tobiasge/cgeo,rsudev/c-geo-opensource,S-Bartfast/cgeo,auricgoldfinger/cgeo,cgeo/cgeo,S-Bartfast/cgeo