Some safeguards and documentation regarding a release.
Print 'started' aver countdown on -revert.
gofmted
Added -verbose option to display ETA on export.
Mappings from SVN r14618.
Use same mappings.txt everywhere.
Use same lmits and insignificant everywhere.
Prepare for release 0.95
Removed manual GC invocation.
Proper ETA calculation based on done stuff.
Removed manual GC invocation.
Removed more manual GC.
Added timing extraction script.
Prepare for r0.96