Set status CURRENT/BETA/OUTDATED

Need to mark that the protecting-code-integrity document is not quite
ready to be called final product.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>

linux-workstation-security.md

@@ -2,6 +2,8 @@
 
 Updated: 2017-12-15
 
+*Status: CURRENT*
+
 ### Target audience
 
 This document is aimed at teams of systems administrators who use Linux

protecting-code-integrity.md

@@ -2,6 +2,8 @@
 
 Updated: 2017-12-15
 
+*Status: CURRENT, BETA*
+
 ### Target audience
 
 This document is aimed at developers working on free software projects. It

trusted-team-communication.md

@@ -1,5 +1,9 @@
 # Trusted Team Communication
 
+Updated: 2015-08-13
+
+*Status: OUTDATED*
+
 Establishing trusted communication between members of your team is paramount
 not only to avoid potential security problems associated with phishing and
 impersonation, but also to make it possible to exchange sensitive information