manpages: italicize git subcommand names (which were in teletype font)

Italicize those git subcommand names already in teletype we missed.

Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/config.txt

@@ -118,8 +118,8 @@ core.fileMode::
 	See linkgit:git-update-index[1]. True by default.
 
 core.quotepath::
-	The commands that output paths (e.g. `ls-files`,
-	`diff`), when not given the `-z` option, will quote
+	The commands that output paths (e.g. 'ls-files',
+	'diff'), when not given the `-z` option, will quote
 	"unusual" characters in the pathname by enclosing the
 	pathname in a double-quote pair and with backslashes the
 	same way strings in C source code are quoted.  If this
@@ -557,7 +557,7 @@ diff.autorefreshindex::
 	contents in the work tree match the contents in the
 	index.  This option defaults to true.  Note that this
 	affects only 'git-diff' Porcelain, and not lower level
-	`diff` commands, such as 'git-diff-files'.
+	'diff' commands, such as 'git-diff-files'.
 
 diff.external::
 	If this config variable is set, diff generation is not
@@ -636,7 +636,7 @@ gc.packrefs::
 	prevent `git pack-refs` from being run from 'git-gc'.
 
 gc.pruneexpire::
-	When 'git-gc' is run, it will call `prune --expire 2.weeks.ago`.
+	When 'git-gc' is run, it will call 'prune --expire 2.weeks.ago'.
 	Override the grace period with this config variable.
 
 gc.reflogexpire::

Documentation/git-svn.txt

@@ -551,7 +551,7 @@ CAVEATS
 
 For the sake of simplicity and interoperating with a less-capable system
 (SVN), it is recommended that all 'git-svn' users clone, fetch and dcommit
-directly from the SVN server, and avoid all 'git-clone'/`pull`/`merge`/`push`
+directly from the SVN server, and avoid all 'git-clone'/'pull'/'merge'/'push'
 operations between git repositories and branches.  The recommended
 method of exchanging code between git branches and users is
 'git-format-patch' and 'git-am', or just 'dcommit'ing to the SVN repository.

Documentation/gitcore-tutorial.txt

@@ -235,7 +235,7 @@ $ git diff-files
 ------------
 
 Oops. That wasn't very readable. It just spit out its own internal
-version of a `diff`, but that internal version really just tells you
+version of a 'diff', but that internal version really just tells you
 that it has noticed that "hello" has been modified, and that the old object
 contents it had have been replaced with something else.
 
@@ -468,7 +468,7 @@ Inspecting Changes
 
 While creating changes is useful, it's even more useful if you can tell
 later what changed. The most useful command for this is another of the
-`diff` family, namely 'git-diff-tree'.
+'diff' family, namely 'git-diff-tree'.
 
 'git-diff-tree' can be given two arbitrary trees, and it will tell you the
 differences between them. Perhaps even more commonly, though, you can
@@ -1006,7 +1006,7 @@ the tree of your branch to that of the `master` branch. This is
 often called 'fast forward' merge.
 
 You can run `gitk \--all` again to see how the commit ancestry
-looks like, or run `show-branch`, which tells you this.
+looks like, or run 'show-branch', which tells you this.
 
 ------------------------------------------------
 $ git show-branch master mybranch

Documentation/gitcvs-migration.txt

@@ -46,7 +46,7 @@ them first before running git pull.
 
 [NOTE]
 ================================
-The `pull` command knows where to get updates from because of certain
+The 'pull' command knows where to get updates from because of certain
 configuration variables that were set by the first 'git-clone'
 command; see `git config -l` and the linkgit:git-config[1] man
 page for details.
@@ -67,7 +67,7 @@ push again.
 In the 'git-push' command above we specify the name of the remote branch
 to update (`master`).  If we leave that out, 'git-push' tries to update
 any branches in the remote repository that have the same name as a branch
-in the local repository.  So the last `push` can be done with either of:
+in the local repository.  So the last 'push' can be done with either of:
 
 ------------
 $ git push origin