Put the full version number into Manual.txt

I'll want to generate a version-specific one on release, and want
to ensure it's consistent.

src/syncterm/Manual.txt

 :experimental:
-= SyncTERM v1.2 Manual
+= SyncTERM v1.2b Manual
 Stephen Hurd <shurd@sasktel.net>
 :toc:
 

src/syncterm/updvers.sh

@@ -61,7 +61,7 @@ perl -pgi -e "s|(<key>CFBundleShortVersionString</key>.+?<string>)[^<]+(?=</stri
 perl -pgi -e "s|(<key>CFBundleVersion</key>.+?<string>)[^<]+(?=</string>)|\$1.'${NUMERIC}'|ges" Info.plist
 
 # Manual.txt
-perl -pi -e "s/(?<=SyncTERM v)[0-9.a-z]+/${NUMERIC}/g" Manual.txt
+perl -pi -e "s/(?<=SyncTERM v)[0-9.a-z]+/${VERSTR}/g" Manual.txt
 
 # dpkg-control.in
 perl -pi -e "s/(?<=^Version: ).*$/${VERSTR}/g" dpkg-control.in