move Intro to collective variables. Getting Started instead of Quick Intro

user-doc/Colvar.txt

@@ -25,7 +25,7 @@ implement all these collective variables without implementing having an unmanigi
 \ref DISTANCES GROUPA=1 GROUPB=2-100 LESS_THAN={RATIONAL R_0=3}) there are more computationally efficient options available in plumed
 (e.g. \ref COORDINATION).  However, MultiColvars are worth investigating as they provide a flexible syntax for many quite-complex CVs.
 
-\section Colvar CV Documentation
+\page Colvar CV Documentation
 
 The following list contains descriptions of a number of the colvars that are currently implemented in PLUMED 2.
 

user-doc/PlumedLayout.xml

@@ -9,14 +9,14 @@
       <tab type="user" visible="yes" url="_configuring_plumed.html" title="Configuration"/>
     </tab>
     --> 
-    <tab type="user" visible="yes" url="_syntax.html" title="Getting Started"/>
-    <tab type="usergroup" title="Collective variables" >
-      <tab type="user" visible="yes" url="_group.html" title="Groups and Atoms"/>
-      <tab type="user" visible="yes" url="colvarintro.html" title="Collective Variables"/>
-      <tab type="user" visible="yes" url="dists.html" title="Distances from reference configurations"/>
-      <tab type="user" visible="yes" url="_function.html" title="Functions"/>
-      <tab type="user" visible="yes" url="mcolv.html" title="MultiColvar documentation"/>
-    </tab>
+    <tab type="user" visible="yes" url="_syntax.html" title="Getting started"/>
+    <tab type="usergroup" title="Collective variables" url="colvarintro.html">
+     <tab type="user" visible="yes" url="_group.html" title="Groups and Atoms"/>
+     <tab type="user" visible="yes" url="_colvar.html" title="CV documentation"/>
+     <tab type="user" visible="yes" url="dists.html" title="Distances from reference configurations"/>
+     <tab type="user" visible="yes" url="_function.html" title="Functions"/>
+     <tab type="user" visible="yes" url="mcolv.html" title="MultiColvar documentation"/>
+   </tab>
     <tab type="user" visible="yes" url="_analysis.html" title="Analysis"/>
     <tab type="user" visible="yes" url="_bias.html" title="Bias"/>
     <tab type="user" visible="yes" url="tools.html" title="Tools"/>

user-doc/Syntax.txt

 /**
-\page Syntax Quick Introduction
+\page Syntax Getting started 
 
 To run PLUMED 2 you need to provide one input file.  In this file you specify what it
 is that PLUMED should do during the course of the run.  Typically this will involve calculating