tweak some of the Glyphicon class names to match Bootstrap conventions

less/glyphicons.less

@@ -137,7 +137,7 @@
 .glyphicon-warning-sign           { &:before { content: "\e107"; } }
 .glyphicon-plane                  { &:before { content: "\e108"; } }
 .glyphicon-random                 { &:before { content: "\e110"; } }
-.glyphicon-comments               { &:before { content: "\e111"; } }
+.glyphicon-comment                { &:before { content: "\e111"; } }
 .glyphicon-magnet                 { &:before { content: "\e112"; } }
 .glyphicon-chevron-up             { &:before { content: "\e113"; } }
 .glyphicon-chevron-down           { &:before { content: "\e114"; } }
@@ -154,11 +154,11 @@
 .glyphicon-thumbs-down            { &:before { content: "\e126"; } }
 .glyphicon-hand-right             { &:before { content: "\e127"; } }
 .glyphicon-hand-left              { &:before { content: "\e128"; } }
-.glyphicon-hand-top               { &:before { content: "\e129"; } }
+.glyphicon-hand-up                { &:before { content: "\e129"; } }
 .glyphicon-hand-down              { &:before { content: "\e130"; } }
 .glyphicon-circle-arrow-right     { &:before { content: "\e131"; } }
 .glyphicon-circle-arrow-left      { &:before { content: "\e132"; } }
-.glyphicon-circle-arrow-top       { &:before { content: "\e133"; } }
+.glyphicon-circle-arrow-up        { &:before { content: "\e133"; } }
 .glyphicon-circle-arrow-down      { &:before { content: "\e134"; } }
 .glyphicon-globe                  { &:before { content: "\e135"; } }
 .glyphicon-tasks                  { &:before { content: "\e137"; } }
@@ -179,8 +179,8 @@
 .glyphicon-sort-by-attributes-alt { &:before { content: "\e156"; } }
 .glyphicon-unchecked              { &:before { content: "\e157"; } }
 .glyphicon-expand                 { &:before { content: "\e158"; } }
-.glyphicon-collapse               { &:before { content: "\e159"; } }
-.glyphicon-collapse-top           { &:before { content: "\e160"; } }
+.glyphicon-collapse-down          { &:before { content: "\e159"; } }
+.glyphicon-collapse-up            { &:before { content: "\e160"; } }
 .glyphicon-log-in                 { &:before { content: "\e161"; } }
 .glyphicon-flash                  { &:before { content: "\e162"; } }
 .glyphicon-log-out                { &:before { content: "\e163"; } }