Add mail sender
Fix some bugs and add constance
Corrected by comments
Resolved conflicts
Merge branch 'develop' into IFJJV-165-KM-SendEMailNotification
Fix bug with select all units
Fix bug with button deal
Merge pull request #130 from if045/IFJJV-165-KM-SendEMailNotification

Ifjjv 165 km send e mail notification