Check also debian/ubuntu for tftp directory
Remove function with duplicated body
Warn about unkonwn tftp server
Ignore files from debian builds
Add missing requirements
Enable proxy for apache2
Return right value from TftpdPyManager.what method
Merge pull request #1154 from javiplx/debian_fixes

Debian fixes
Merge pull request #1187 from javiplx/bugfix/bundled_tftpd

Return right value from TftpdPyManager.what method