adds font weight options for form controls and custom select

Author: andresgalante

scss/_custom-forms.scss

@@ -166,6 +166,7 @@
   width: 100%;
   height: $custom-select-height;
   padding: $custom-select-padding-y ($custom-select-padding-x + $custom-select-indicator-padding) $custom-select-padding-y $custom-select-padding-x;
+  font-weight: $custom-select-font-weight;
   line-height: $custom-select-line-height;
   color: $custom-select-color;
   vertical-align: middle;

scss/_forms.scss

@@ -10,6 +10,7 @@
   height: $input-height;
   padding: $input-padding-y $input-padding-x;
   font-size: $font-size-base;
+  font-weight: $input-font-weight;
   line-height: $input-line-height;
   color: $input-color;
   background-color: $input-bg;

scss/_variables.scss

@@ -423,6 +423,7 @@ $label-margin-bottom:                   .5rem !default;
 $input-padding-y:                       $input-btn-padding-y !default;
 $input-padding-x:                       $input-btn-padding-x !default;
 $input-font-size:                       $input-btn-font-size !default;
+$input-font-weight:                     $font-weight-normal !default;
 $input-line-height:                     $input-btn-line-height !default;
 
 $input-padding-y-sm:                    $input-btn-padding-y-sm !default;
@@ -523,6 +524,7 @@ $custom-select-padding-y:           .375rem !default;
 $custom-select-padding-x:           .75rem !default;
 $custom-select-height:              $input-height !default;
 $custom-select-indicator-padding:   1rem !default; // Extra padding to account for the presence of the background-image based indicator
+$custom-select-font-weight:         $input-font-weight !default;
 $custom-select-line-height:         $input-line-height !default;
 $custom-select-color:               $input-color !default;
 $custom-select-disabled-color:      $gray-600 !default;