feat(quasar): q-col-gutter-* enhancement to match 0.17 specs

Author: rstoenescu

quasar/src/css/core/flex.styl

@@ -139,17 +139,13 @@ for $name, $size in $flex-gutter
       @extends .q-gutter-x-{$name}, .q-gutter-y-{$name}
   .q-col-gutter
     &-x-{$name}
-      margin-left (- $size / 2)
-      margin-right (- $size / 2)
+      margin-left (- $size)
       > *
-        padding-left ($size / 2)
-        padding-right ($size / 2)
+        padding-left ($size)
     &-y-{$name}
-      margin-top (- $size / 2)
-      margin-bottom (- $size / 2)
+      margin-top (- $size)
       > *
-        padding-top ($size / 2)
-        padding-bottom ($size / 2)
+        padding-top ($size)
     &-{$name}
       @extends .q-col-gutter-x-{$name}, .q-col-gutter-y-{$name}
 

quasar/src/css/flex-addon.styl

@@ -176,17 +176,13 @@ fg($name, $size)
           @extends .q-gutter{$name}-x-{$gname}, .q-gutter{$name}-y-{$gname}
       {fr('.q-col-gutter<name>', $name)}
         &-x-{$gname}
-          margin-left (- $gsize / 2)
-          margin-right (- $gsize / 2)
+          margin-left (- $gsize)
           > *
-            padding-left ($gsize / 2)
-            padding-right ($gsize / 2)
+            padding-left ($gsize)
         &-y-{$gname}
-          margin-top (- $gsize / 2)
-          margin-bottom (- $gsize / 2)
+          margin-top (- $gsize)
           > *
-            padding-top ($gsize / 2)
-            padding-bottom ($gsize / 2)
+            padding-top ($gsize)
         &-{$gname}
           @extends .q-col-gutter{$name}-x-{$gname}, .q-col-gutter{$name}-y-{$gname}