Cosmetic changes
 Use toldfe instead of tolvrs for Etotal(Ecut) convergence study to save CPU time
 Typo
Merge remote-tracking branch 'mpmaster/master'
 Cosmetic changes
 Typo
 Code cleanup
Merge remote-tracking branch 'mpmaster/master'
 Minor modifications in abinitio.events
Merge remote-tracking branch 'mpmaster/master'