Fixed app title on login screen

App title was always showing as Open-LMIS on login screen, fixed so
that it uses the message defined
Fixed bug in utf-8 compatibility of upload files.  Without explicitly setting file input as having utf-8 formatting, the encoding is left to a java charset default, which in some java implementations will not be utf-8.
Merge branch 'bug-loginPageTitle' into dev
Merge branch 'hotfix-utf8UploadFiles' into dev