Rename all isolate_dependency_* to files.

Rename all isolate_dependency_* to files.

Merges the lists when relevant. This simplify the management significantly.

Remove the .isolate from the '*_run' target 'includes' section.

TBR=vadimsh@chromium.org
BUG=swarming:148
Committed: https://crrev.com/8214754ee5771bb64dfe9605f024cfd7c241a01e
Cr-Commit-Position: refs/heads/master@{#297633}

[M-A Ruel, 2014-10-01 00:05:12]

Patchset #1 (id:1) has been deleted

[M-A Ruel, 2014-10-01 00:20:35]

Patchset #1 (id:20001) has been deleted

[M-A Ruel, 2014-10-01 00:25:16]

Patchset #1 (id:40001) has been deleted

[M-A Ruel, 2014-10-01 00:26:25]

I think in a follow up I'll remove the 'variables' intermediary dict now that it
doesn't have to be gyp compatible but that's less important.

[Vadim Sh., 2014-10-01 01:34:31]

lgtm

[M-A Ruel, 2014-10-01 12:20:36]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2014-10-01 12:21:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/614923005/60001

[commit-bot: I haz the power, 2014-10-01 13:21:51]

Committed patchset #1 (id:60001) as d19a839d39d7a4c5843c8312ff8d93c03640b80e

[commit-bot: I haz the power, 2014-10-01 13:22:34]

Patchset 1 (id:??) landed as
https://crrev.com/8214754ee5771bb64dfe9605f024cfd7c241a01e
Cr-Commit-Position: refs/heads/master@{#297633}