[os_auth] fix compiler warnings
[os_auth] fix static analyzer warnings
remove obsolete Makeall script
correctly setup slack+travis based on ossec/ossec-hids
Merge pull request #392 from jrossi/fix-travis-slack

correctly setup slack+travis based on ossec/ossec-hids
Merge pull request #393 from cgzones/makeall_script

remove obsolete Makeall script
Merge pull request #385 from cgzones/os_auth

os_auth