Doxygen::Doxyfile: Replaced the index bar with the more convenient tree-view

doc/Doxygen/Doxyfile

@@ -1374,7 +1374,7 @@ ECLIPSE_DOC_ID         = org.doxygen.Project
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-DISABLE_INDEX          = NO
+DISABLE_INDEX          = YES
 
 # The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
 # structure should be generated to display hierarchical information. If the tag
@@ -1391,7 +1391,7 @@ DISABLE_INDEX          = NO
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-GENERATE_TREEVIEW      = NO
+GENERATE_TREEVIEW      = YES
 
 # The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
 # doxygen will group on one line in the generated HTML documentation.

doc/Doxygen/customdoxygen.css

@@ -3,11 +3,11 @@
     background-color: rgb(243, 243, 243);
     height: 84px;
     padding-top: 8px;
-    padding-left: 15px;
 }
 
 #projectlogo
 {
+    padding-left: 15px;
     padding-right: 10px;
 }
 
@@ -65,4 +65,4 @@
     -ms-transform: translateY(-50%);
     content: "C++ Source Code Guide";
     font-size: 180%;
-}
+}