Add title to each persona

wiki/src/blueprint/personas.mdwn

@@ -274,7 +274,7 @@ developed by SecondMuse):
   11. Threat perception
   12. Security precautions
 
-## Kim
+## Kim, the surveilled at home
 
 - **Background**
 
@@ -351,7 +351,7 @@ developed by SecondMuse):
 
 - **Security precautions**
 
-## Cris
+## Cris, the sensitive information gatherer
 
 - **Background**
 
@@ -420,7 +420,7 @@ developed by SecondMuse):
 
 - **Security precautions**
 
-## Riou
+## Riou, the protest organizer
 
 - **Background**
 
@@ -485,7 +485,7 @@ developed by SecondMuse):
 
 - **Security precautions**
 
-## Derya
+## Derya, the privacy advocate
 
 - **Background**