More logical order in menu "History track"
More logical order in menu "History track"

After this change, we will always have three items in the menu:
Show / Hide
Export
Clean

Now it is illogical:
1. Show
2. Export
3. Clean

and
1. Export
2. Hide
3. Clean
cgeo/cgeo,S-Bartfast/cgeo,auricgoldfinger/cgeo,rsudev/c-geo-opensource,S-Bartfast/cgeo,tobiasge/cgeo,tobiasge/cgeo,matej116/cgeo,auricgoldfinger/cgeo,rsudev/c-geo-opensource,auricgoldfinger/cgeo,S-Bartfast/cgeo,rsudev/c-geo-opensource,matej116/cgeo,cgeo/cgeo,matej116/cgeo,cgeo/cgeo,tobiasge/cgeo,cgeo/cgeo