#457 - Update installation log format to 24h
Merge pull request #95 from nguyenxuanluong-luvina/master

#457 - Update installation log format to 24h
#492 - Fix bug failed to reinstall wiperdog service

 Fix bug failed to reinstall wiperdog service when wiperdog service existed and running
Update wiperdog service installing
Update installer.groovy
Fix bug "returnData" variable declare incorrect place
Merge pull request #96 from nguyenxuanluong-luvina/master

#492 - Fix bug failed to reinstall wiperdog service
Merge pull request #97 from yohno/master

modify for #488