implement ie7 fluid tests and semantic.gs IE7 hack for rounding in ie7; not perfect, but mostly solid

docs/assets/css/bootstrap-responsive.css

@@ -310,6 +310,7 @@
     width: 100%;
     min-height: 28px;
     margin-left: 2.762430939%;
+    *margin-left: 2.709239449638298%;
     -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
         -ms-box-sizing: border-box;
@@ -320,39 +321,51 @@
   }
   .row-fluid .span12 {
     width: 99.999999993%;
+    *width: 99.9468085036383%;
   }
   .row-fluid .span11 {
     width: 91.436464082%;
+    *width: 91.38327259263829%;
   }
   .row-fluid .span10 {
     width: 82.87292817100001%;
+    *width: 82.8197366816383%;
   }
   .row-fluid .span9 {
     width: 74.30939226%;
+    *width: 74.25620077063829%;
   }
   .row-fluid .span8 {
     width: 65.74585634900001%;
+    *width: 65.6926648596383%;
   }
   .row-fluid .span7 {
     width: 57.182320438000005%;
+    *width: 57.129128948638304%;
   }
   .row-fluid .span6 {
     width: 48.618784527%;
+    *width: 48.5655930376383%;
   }
   .row-fluid .span5 {
     width: 40.055248616%;
+    *width: 40.0020571266383%;
   }
   .row-fluid .span4 {
     width: 31.491712705%;
+    *width: 31.4385212156383%;
   }
   .row-fluid .span3 {
     width: 22.928176794%;
+    *width: 22.874985304638297%;
   }
   .row-fluid .span2 {
     width: 14.364640883%;
+    *width: 14.311449393638298%;
   }
   .row-fluid .span1 {
     width: 5.801104972%;
+    *width: 5.747913482638298%;
   }
   input,
   textarea,
@@ -533,6 +546,7 @@
     width: 100%;
     min-height: 28px;
     margin-left: 2.564102564%;
+    *margin-left: 2.510911074638298%;
     -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
         -ms-box-sizing: border-box;
@@ -543,39 +557,51 @@
   }
   .row-fluid .span12 {
     width: 100%;
+    *width: 99.94680851063829%;
   }
   .row-fluid .span11 {
     width: 91.45299145300001%;
+    *width: 91.3997999636383%;
   }
   .row-fluid .span10 {
     width: 82.905982906%;
+    *width: 82.8527914166383%;
   }
   .row-fluid .span9 {
     width: 74.358974359%;
+    *width: 74.30578286963829%;
   }
   .row-fluid .span8 {
     width: 65.81196581200001%;
+    *width: 65.7587743226383%;
   }
   .row-fluid .span7 {
     width: 57.264957265%;
+    *width: 57.2117657756383%;
   }
   .row-fluid .span6 {
     width: 48.717948718%;
+    *width: 48.6647572286383%;
   }
   .row-fluid .span5 {
     width: 40.170940171000005%;
+    *width: 40.117748681638304%;
   }
   .row-fluid .span4 {
     width: 31.623931624%;
+    *width: 31.5707401346383%;
   }
   .row-fluid .span3 {
     width: 23.076923077%;
+    *width: 23.0237315876383%;
   }
   .row-fluid .span2 {
     width: 14.529914530000001%;
+    *width: 14.4767230406383%;
   }
   .row-fluid .span1 {
     width: 5.982905983%;
+    *width: 5.929714493638298%;
   }
   input,
   textarea,

docs/assets/css/bootstrap.css

@@ -313,6 +313,7 @@ a:hover {
   width: 100%;
   min-height: 28px;
   margin-left: 2.127659574%;
+  *margin-left: 2.0744680846382977%;
   -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
       -ms-box-sizing: border-box;
@@ -325,50 +326,62 @@ a:hover {
 
 .row-fluid .span12 {
   width: 99.99999998999999%;
+  *width: 99.94680850063828%;
 }
 
 .row-fluid .span11 {
   width: 91.489361693%;
+  *width: 91.4361702036383%;
 }
 
 .row-fluid .span10 {
   width: 82.97872339599999%;
+  *width: 82.92553190663828%;
 }
 
 .row-fluid .span9 {
   width: 74.468085099%;
+  *width: 74.4148936096383%;
 }
 
 .row-fluid .span8 {
   width: 65.95744680199999%;
+  *width: 65.90425531263828%;
 }
 
 .row-fluid .span7 {
   width: 57.446808505%;
+  *width: 57.3936170156383%;
 }
 
 .row-fluid .span6 {
   width: 48.93617020799999%;
+  *width: 48.88297871863829%;
 }
 
 .row-fluid .span5 {
   width: 40.425531911%;
+  *width: 40.3723404216383%;
 }
 
 .row-fluid .span4 {
   width: 31.914893614%;
+  *width: 31.8617021246383%;
 }
 
 .row-fluid .span3 {
   width: 23.404255317%;
+  *width: 23.3510638276383%;
 }
 
 .row-fluid .span2 {
   width: 14.89361702%;
+  *width: 14.8404255306383%;
 }
 
 .row-fluid .span1 {
   width: 6.382978723%;
+  *width: 6.329787233638298%;
 }
 
 .container {