Update README file for blast_datatypes
Go back to downloading NCBI BLAST+ binaries.

Currently compilation on the Test Galaxy Tool Shed is failing
due to a BOOST change, so revert to fetching binaries.

This reverts commit 62079cf851aaf7142778ae490bcf12a9457c5ac2.
Try using new url_template with download_by_url
Update README file... hope this works on overnight test
Hybrid binary or from source installation
Thank Dave for his tool_dependencies.xml suggestion
Revert typo in Dave's tool_dependencies.xml
Try shell magic instead of the download_binary action.

Dave's clever plan with the download_binary action should
offer us automatic installation of the NCBI binaries if
available for the architecture, falling back on compiling
from source otherwise. But it didn't work on the test
Tool Shed overnight functional tests.

This is a sneaky hack to do the platform selection with
shell commands instead.

If this works, it can be extended to add the compilation
fallback as well.
Trying binary install only again...
Revert "Trying binary install only again..."

This reverts commit 9dc29b00bf3dd82c513776936c62c171e93d2253.
Revert "Try shell magic instead of the download_binary action."

This reverts commit 856e68305f7e26520ada2b129d582d8a37863dcb.

Feedback from Dave Bouvier:

    I should mention that environment variables that are set in one
    shell_command action will not persist to subsequent shell_command actions,
    due to the way Fabric handles local and remote environment settings.

That means this won't work, unless I squeeze things into multi-line shell commands maybe...
Attempt to fix tool_dependencies.xml using download_binary action