docs: unify picture names (the worst cases, trunk https://trac.osgeo.org/grass/changeset/65998); html changes for unified picture names (trunk, https://trac.osgeo.org/grass/changeset/65996 and https://trac.osgeo.org/grass/changeset/65997)

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@66009 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/rlisetup/g.gui.rlisetup.html

@@ -34,7 +34,7 @@ Definition of creation of sampling area:
 -->
 </ul>
 
-<img src="g_gui_rlisetup_sampleAreas.png" alt="Sampling area definitions">
+<img src="g_gui_rlisetup_sample_areas.png" alt="Sampling area definitions">
 
 <p>
 Definition of region for analysis:

raster/r.li/r.li.dominance/r.li.dominance.html

@@ -1,7 +1,7 @@
 <h2>DESCRIPTION</h2>
 
 <em>r.li.dominance</em> calculates the "dominance diversity index" as:<br>
-<img src="rliDominance_formula.png" alt="rliDominance formula"> <br>
+<img src="r_li_dominance_formula.png" alt="rliDominance formula"> <br>
 with:
 <ul>
 <li><b>i</b>: patch type</li>

raster/r.li/r.li.edgedensity/r.li.edgedensity.html

@@ -4,11 +4,11 @@
 <br>
 <ul>
    <li> the density of all edges of patch type <em>k</em>
-	<img alt="rliEdgeDensity formula1" src="rliEdgeDensity_formula1.png">
+	<img alt="r.li.edgedensity formula 1" src="r_li_edgedensity_formula_1.png">
 	, or
    <li> the density of all edges in the sampling area if <em>k</em> is 
         not specified,
-	<img alt="rliEdgeDensity formula2" src="rliEdgeDensity_formula2.png">
+	<img alt="r.li.edgedensity formula 2" src="r_li_edgedensity_formula_2.png">
 </ul>
 <p>with:
 <ul>

raster/r.li/r.li.richness/r.li.richness.html

@@ -2,7 +2,7 @@
 
 <em>r.li.richness</em> calculates the "richness diversity index" as:
 <br>
-<img src="rliRichness_formula.png" alt="r.li.richness formula">
+<img src="r_li_richness_formula.png" alt="r.li.richness formula">
 <br>
 with:
 <ul>

raster/r.li/r.li.shannon/r.li.shannon.html

@@ -1,7 +1,7 @@
 <h2>DESCRIPTION</h2>
 
 <em>r.li.shannon</em> calculates the "Shannon's diversity index" as:<br>
-<img src="rliShannon_formula.png" alt="r.li.shannon formula"> <br>
+<img src="r_li_shannon_formula.png" alt="r.li.shannon formula"> <br>
 with:
 <ul>
 <li><b>i</b>: patch type</li>

raster/r.li/r.li.simpson/r.li.simpson.html

@@ -1,7 +1,8 @@
 <h2>DESCRIPTION</h2>
 
 <em>r.li.simpson</em> calculates the "Simpson's diversity index" as:<br>
-<img src="rliSimpson_formula.png" alt="r.li.simpson formula"> <br>
+<!-- TODO: here should be the actual formula in alt (same for all r.li) -->
+<img src="r_li_simpson_formula.png" alt="r.li.simpson formula"> <br>
 with:
 <ul>
 <li><b>i</b>: patch type</li>

vector/v.to.rast3/v.to.rast3.html

@@ -12,7 +12,7 @@ floating point precision.
 
 
 <center>
-<img src="v.to.rast3.test.png" border="0"><br>
+<img src="v_to_rast3_test.png" border="0"><br>
 <table border="0" width="600">
 <tr><td><center>
 <i>This screenshot shows the result of the v.to.rast3 test. Visualized are the cube of the