Changed the links to the EO doc - removed the need for a (Unix) link from

tutorial/html dir to doc/ dir: it's simpler, and I was not able to do
the same thing in Windows anyway!

eo/tutorial/html/eoLesson2.html

@@ -13,7 +13,7 @@
 <a href="eoTutorial.html">Main page</a> -
 <a href="eoTopDown.html">Top-Down</a>
 - <a href="eoBottomUp.html">Bottom-up</a> - <a href="eoProgramming.html">Hints</a>
--<font size=+1> <b><font face="Arial,Helvetica"><a href="doc/html/index.html">EO
+-<font size=+1> <b><font face="Arial,Helvetica"><a href="../../doc/html/index.html">EO
 documentation</a></font></b></font>
 <br>
 <hr WIDTH="100%"><!-- -------------- End of header ------------------ --><!-- ----------------------------------------------- -->
@@ -99,10 +99,10 @@ rather than maximize a fitness function (see <a href="#Execrise1">Exercise
 of the population is now </font><b><font color="#CC33CC">encapsulated</font></b><font color="#000000">into
 a </font><font color="#CC33CC"><b>separate initializer</b> </font><font color="#000000">(based
 on a <a href="FirstBitEA.html#init">boolean generator</a> or a <a href="FirstRealEA.html#init">double-number
-generator</a> -see <a href="doc/html/class_random_generator.html">random_generators.h</a>)
+generator</a> -see <a href="../../doc/html/class_random_generator.html">random_generators.h</a>)
 that is then used in the constructor of the population to build the individuals.
 You can also use different initializers and call them in turn through the
-call to <a href="doc/html/class_eopop.html#a2">pop.append()</a> function
+call to <a href="../../doc/html/class_eopop.html#a2">pop.append()</a> function
 (see <a href="#exercise2">Exercise 2</a>).</font></li>
 
 <p><b><font color="#FF0000">Note</font><font color="#CC33CC">: </font></b><font color="#000000">Don't
@@ -123,7 +123,7 @@ rates.</b> </font><font color="#000000">The class </font><font color="#CC33CC"><
 xxx is either Mon (for mutation, of class </font><font color="#CC33CC"><b><tt>eoMonOp</tt></b>)</font><font color="#000000">
 or Quad (for crossovers, of class </font><b><tt><font color="#CC33CC">eoQuadOp</font></tt></b><font color="#000000">),
 is derived from the corresponding eoxxxOp class. When applying the eoPropCombinedxxxOp,
-one of the eoxxxOp it contains is chosen by a <a href="doc/html/class_eorng.html#a12">roulette
+one of the eoxxxOp it contains is chosen by a <a href="../../doc/html/class_eorng.html#a12">roulette
 wheel,</a> according to their respective rates, and is applied to the arguments.</font></li>
 
 <p><b><font color="#FF0000">Note:</font></b> A third optional argument
@@ -179,7 +179,7 @@ to select one individual from a population, its <b><tt><font color="#660000">ope
 returning a single individual) into an object of the <font color="#FF6600">eoSelectPerc</font>
 (perc stands for percentage) which allows to select a ... percentage of
 a population (his <b><tt><font color="#660000">operator()</font></tt></b>&nbsp;
-returns a population). This was done internally in the&nbsp; <a href="doc/html/class_eosga.html#a0">constructor
+returns a population). This was done internally in the&nbsp; <a href="../../doc/html/class_eosga.html#a0">constructor
 of eoSGA</a>&nbsp; - see lesson1.</ul>
 
 <hr WIDTH="100%"><a NAME="Exercise1"></a><b><font size=+2><font color="#000099">Exercise
@@ -288,7 +288,7 @@ and <font color="#3366FF">stopping criteria</font> here).</li>
 <a href="eoTutorial.html">Main page</a> -
 <a href="eoTopDown.html">Top-Down</a>
 - <a href="eoBottomUp.html">Bottom-up</a> - <a href="eoProgramming.html">Hints</a>
-- <b><font face="Arial,Helvetica"><font size=+1><a href="doc/html/index.html">EO
+- <b><font face="Arial,Helvetica"><font size=+1><a href="../../doc/html/index.html">EO
 documentation</a></font></font></b>
 <br>
 <hr>