Merge branch 'gmv-perf-1.7.2' of github.com:gaubert/gmvault into vasi-export
Add Dovecot, OfflineIMAP flavours
Merge branch 'vasi-export' of github.com:gaubert/gmvault into vasi-export
Merge branches 'vasi-orig-export2' and 'vasi-export' into vasi-export