eurephia 0.9.6_beta

Highlights from the changelog since eurephia 0.9.5_beta:
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* BUGFIX: Fixed two memory leaks in the firewall implementation
	- The firewall context was not removed upon shutdown
	- The forked firewall thread had an open connection to the database
	  which was never closed.  This connection is not needed, so it is
	  closed immediately in the child thread.

* BUGFIX: usercerts did not show any useful information on successful
	--set-fwprofile actions

* BUGFIX: users --list did not show unique certificate information on
	users with multiple certificates.

* BUGFIX: eurephiadm session key was truncated to 65 bytes and should
	be 128 bytes.

* ENHANCEMENT: Due to the updated OpenVPN eurephia patch, the certificate
	digests are now received in lower case in the eurephia plug-in.
	Certificate digests will now be processed as lower case strings
	consequently in both the plug-in and eurephiadm when interacting
	with the database.  This fixes potential compatibility problems
	between OpenVPN releases earlier than 2.1_rc21 and newer versions.

* ENHANCEMENT: Do not log source filename and line number if DEBUG is not
  enabled during compilation.

* To enhance the security, the certificate depth is now consequently processed
  as an integer

* Added RPM spec file to easily build eurephia on RPM based distros

* mlock() memory regions containing sensitive information.
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