Debian: bump to v1.5.o (development)

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Linux Trace: Fix compile issue
Doc: Add CONTRIBUTING.md file

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Libmonkey: fix build and add test for mimetype
Doc: update CONTRIBUTING with 'Commit Changes' info

Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Merge branch 'master' of https://github.com/tssavita/monkey