Fix typo ("Abrreviation" -> "Abbreviation" in Common.hs)
Fix typo ("Abrreviation" -> "Abbreviation" in Common.hs)

Signed-off-by: Dato Simó <16293852a0900193fe70fa7d24f714f37ba99a56@google.com>
Reviewed-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>

mbakke/ganeti,andir/ganeti,leshchevds/ganeti,bitemyapp/ganeti,bitemyapp/ganeti,ganeti/ganeti,yiannist/ganeti,grnet/snf-ganeti,ganeti/ganeti,apyrgio/ganeti,leshchevds/ganeti,mbakke/ganeti,yiannist/ganeti,grnet/snf-ganeti,ganeti/ganeti,onponomarev/ganeti,apyrgio/snf-ganeti,onponomarev/ganeti,andir/ganeti,apyrgio/snf-ganeti,apyrgio/ganeti,andir/ganeti,dimara/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,leshchevds/ganeti,yiannist/ganeti