create license file

set finally the license of libARA to GPLv3
create authors file

added AUTHORS file for coverity setup
Update README.md

fixed project name
Update README.md

added coverity scan status to README
Update README.md

minor changes to coverity badge
Update README.md

removed coverity badge
fixed issue where a pointer to freed memory is used in method handlePacketWithZerotTTL in class EARA
fixed issue where a pointer to freed memory is used in method handlePacketWithZerotTTL in class ARA
fixes #105
fixes #106
fixes #107
fixes #108
removed default constructor in class Exception and subsequent classes, fixes #109
fixes #110
fixes #111
fixes #112
fixes #113
fixes #115
fixes #116
fixes #117