Use "protocol relative url".

Some browsers refuse (or just warn) when mixing secure and
insecure content.

So now the graph iframe will be loaded with either http or https,
depending on what the parent page is using.
Merge pull request #1174 from Stratopan/master

Use "protocol relative url".
Fix initial load of dep graph to display:none;

On initial load the dep graph ifram and div was overlaying everything, intercepting
clicks and scrolls (At least in firefox). After opening and dismissing it, it worked
and the only difference was that after dismissal, the style had changed to
`display: none;`. Applying `display: none` on initial load fixes the problem.
Merge pull request #1175 from omega/fix-dep-graph

Fix initial load of dep graph to display:none;
Add plussers logic in the pod controller
Add plussers logic to the release controller.
To display the plussers.
To display non pauseid plusser count.
Changed plusser logic.
Search for plusser added.
display plussers.
Tidy everything.
Changes in find_plussers function.
changes in display plussers.
Merge tidyall changes.
Minor cleanup.
Use a terrible placeholder for users with missing gravatar URLs.

We won't skip users with missing icons because then the ++ number won't
add up.  Someone with a better icon can fix this or we leave it as is in
order to motivate us to clean up the cases where users blew away the
original URL and haven't been able to replace them.  I believe there is
an open issue for this.
Change h1's to h2's so that the are beneath the top heading
Use h3's instead of bold+italic paragraphs

for consistency across the page
Use italics instead of bold inside h2's

the emphasis won't show up when the heading is already bold