Renaming in AppDir and documentation

AppDir/Isle.desktop

@@ -1,6 +1,6 @@
 [Desktop Entry]
-Name=Cryptic Net
-Name[en]=Cryptic Net
+Name=Isle
+Name[en]=Isle
 Exec=AppRun
 
 Icon=cryptic-logo

AppDir/etc/daemon.yml

@@ -1,12 +1,12 @@
 
 #
 # This file defines all configuration directives which can be modified for
-# the cryptic-net daemon at runtime. All values specified here are the
+# the isle daemon at runtime. All values specified here are the
 # default values.
 #
 ################################################################################
 
-# A DNS service runs as part of every cryptic-net process.
+# A DNS service runs as part of every isle process.
 dns:
 
   # list of IPs that the DNS service will use to resolve requests outside the
@@ -15,7 +15,7 @@ dns:
     - 1.1.1.1
     - 8.8.8.8
 
-# A VPN service runs as part of every cryptic-net process.
+# A VPN service runs as part of every isle process.
 vpn:
 
   # Enable this field if the vpn will be made to be publicly accessible at a