Merge branch 'gl/web'

* gl/web: (46 commits)
  gitweb: Use @diff_opts, default ('M'), as git-diff and git-diff-tree paramete
  gitweb: Remove git_to_hash function
  gitweb: Remove unused git_get_{preceding,following}_references
  gitweb: Fix typo in git_patchset_body
  gitweb: Fix typo in git_difftree_body
  gitweb: blobs defined by non-textual hash ids can be cached
  gitweb: Improve comments about gitweb features configuration
  gitweb: Remove workaround for git-diff bug fixed in f82cd3c
  gitweb: Remove creating directory for temporary files
  gitweb: Remove git_diff_print subroutine
  gitweb: git_blobdiff_plain is git_blobdiff('plain')
  gitweb: Use git-diff-tree or git-diff patch output for blobdiff
  gitweb: Change here-doc back for style consistency in git_blobdiff
  gitweb: Always display link to blobdiff_plain in git_blobdiff
  gitweb: Add invisible hyperlink to from-file/to-file diff header
  gitweb: Parse two-line from-file/to-file diff header in git_patchset_body
  gitweb: Allow for pre-parsed difftree info in git_patchset_body
  gitweb: Add support for hash_parent_base parameter for blobdiffs
  gitweb: Use git_get_name_rev_tags for commitdiff_plain X-Git-Tag: header
  gitweb: Add git_get_rev_name_tags function
  ...

gitweb/gitweb.css

@@ -42,6 +42,7 @@ div.page_nav a:visited {
 
 div.page_path {
 	padding: 8px;
+	font-weight: bold;
 	border: solid #d9d8d1;
 	border-width: 0px 0px 1px;
 }
@@ -117,11 +118,14 @@ div.list_head {
 
 a.list {
 	text-decoration: none;
-	font-weight: bold;
 	color: #000000;
 }
 
-table.tags a.list {
+a.subject, a.name {
+	font-weight: bold;
+}
+
+table.tags a.subject {
 	font-weight: normal;
 }
 
@@ -269,10 +273,22 @@ td.mode {
 	font-family: monospace;
 }
 
+div.diff a.list {
+	text-decoration: none;
+}
+
+div.diff a.list:hover {
+	text-decoration: underline;
+}
+
+div.diff.to_file a.list,
+div.diff.to_file,
 div.diff.add {
 	color: #008800;
 }
 
+div.diff.from_file a.list,
+div.diff.from_file,
 div.diff.rem {
 	color: #cc0000;
 }
@@ -281,6 +297,10 @@ div.diff.chunk_header {
 	color: #990099;
 }
 
+div.diff.incomplete {
+	color: #cccccc;
+}
+
 div.diff_info {
 	font-family: monospace;
 	color: #000099;