new features: data reduction, angle scan panel

- new data reduction interface for more efficient multi-peak fitting.
  the new interface breaks compatibility with pre-2.0 data reduction
  functions. user-defined functions must be adapted to the new
  interface.
- new angle scan processing panel for interactive data analysis.

doc/html/globals_g.html

@@ -32,7 +32,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">PEARL Procedures
-   &#160;<span id="projectnumber">rev-distro-1.6.0-0-gcf1399e-dirty</span>
+   &#160;<span id="projectnumber">rev-distro-1.6.1-0-ge1f1aa9-dirty</span>
    </div>
    <div id="projectbrief">Igor procedures for the analysis of PEARL data</div>
   </td>
@@ -145,8 +145,8 @@ $(document).ready(function(){initNavTree('globals_g.html','');});
 <li>gather_batch()
 : <a class="el" href="pearl-otf-import_8ipf.html#ae2640256d7d07c11b41621430279cef6">pearl-otf-import.ipf</a>
 </li>
-<li>gauss2_reduction()
-: <a class="el" href="pearl-scienta-preprocess_8ipf.html#af9ea97d870f53a70583c53328599ff14">pearl-scienta-preprocess.ipf</a>
+<li>gauss4_reduction()
+: <a class="el" href="pearl-scienta-preprocess_8ipf.html#a83cdbd96c5b59011914d53118e5ef71c">pearl-scienta-preprocess.ipf</a>
 </li>
 <li>get_default_panel_name()
 : <a class="el" href="pearl-elog_8ipf.html#a1376b5c9e6b1180a09961bc3296849ae">pearl-elog.ipf</a>
@@ -196,7 +196,7 @@ $(document).ready(function(){initNavTree('globals_g.html','');});
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Wed Sep 27 2017 15:47:49 for PEARL Procedures by
+    <li class="footer">Generated on Tue Feb 6 2018 11:37:56 for PEARL Procedures by
     <a href="http://www.doxygen.org/index.html">
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
   </ul>