Show direct links on stream page when available

[finitud]

Currently the links on the stream page point to the original annotated document. This pull request makes these links to be direct links to the annotation.

https://trello.com/c/iipUgujB/373-direct-link-to-annotation-from-stream-card-document-link

[codecov-io]

Current coverage is 72.79%

Merging #3550 into master will not change coverage

@@             master      #3550   diff @@
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  Files           132        132          
  Lines          4702       4702          
  Methods           0          0          
  Messages          0          0          
  Branches        527        527          
==========================================
  Hits           3423       3423          
+ Misses         1212       1209     -3   
- Partials         67         70     +3   

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[nickstenning]

What's the status of this? Is it really WIP?

[finitud]

Yes, I'm refactoring some bits of code around this PR on @robertknight suggestion.

[nickstenning]

I'm going to close this PR. Please reopen against hypothesis/client.

There are a couple of ways for you to move the PR. Here's one:

1. On this branch, run git format-patch master
2. Clone the new repository: cd .. && git clone git@github.com:hypothesis/client.git.
3. Copy all the *.patch files into the new repository: cp h/*.patch client
4. Change directory to the new repository: cd client
5. Checkout a new branch in the new repository: git checkout -b my-branch-name
6. Apply the patches to that branch by running git am *.patch

[finitud]

The changes are now being tracked at hypothesis/client#1