Prettify some readme things.

README.md

@@ -30,9 +30,9 @@ This theme is based loosely on [agnoster][agnoster].
 ### The Prompt
 
  * Flags:
-     * Previous command failed (`!`)
-     * Background jobs (`%`)
-     * You currently have superpowers (`$`)
+     * Previous command failed (**`!`**)
+     * Background jobs (**`%`**)
+     * You currently have superpowers (**`$`**)
  * Current vi mode
      * _You'll need to `set -g theme_display_vi yes` to enable_
  * `User@Host` (unless you're the default user)
@@ -41,15 +41,15 @@ This theme is based loosely on [agnoster][agnoster].
      * _If you use virtualenv, you will probably need to disable the default virtualenv prompt, since it doesn't play nice with fish: `set -x VIRTUAL_ENV_DISABLE_PROMPT 1`_
  * Abbreviated parent directory
  * Current directory, or Git or Mercurial project name
- * Current project's repo branch (<img width="16" alt="branch-glyph" src="https://cloud.githubusercontent.com/assets/53660/8768360/53ee9b58-2e32-11e5-9977-cee0063936fa.png"> master) or detached head (`➦` d0dfd9b)
+ * Current project's repo branch (<img width="16" alt="branch-glyph" src="https://cloud.githubusercontent.com/assets/53660/8768360/53ee9b58-2e32-11e5-9977-cee0063936fa.png" style="vertical-align:bottom"> master) or detached head (`➦` d0dfd9b)
  * Git or Mercurial status, via colors and flags:
-     * Dirty working directory (`*`)
-     * Untracked files (`…`)
-     * Staged changes (`~`)
-     * Stashed changes (`$`)
-     * Unpulled commits (`-`)
-     * Unpushed commits (`+`)
-     * Unpulled _and_ unpushed commits (`±`)
+     * Dirty working directory (**`*`**)
+     * Untracked files (**`…`**)
+     * Staged changes (**`~`**)
+     * Stashed changes (**`$`**)
+     * Unpulled commits (**`-`**)
+     * Unpushed commits (**`+`**)
+     * Unpulled _and_ unpushed commits (**`±`**)
      * _Note that not all of these have been implemented for hg yet :)_
  * Abbreviated project-relative path