Move off of <base/safe_global>

Statics inside functions are well-defined in terms of initalization guarantees with C++11. Use those instead.
jhm: Fix bug where if you delete the actual file we didn't notice
Change NO_DEFAULT_CASE to allow compilers to warn if not all cases in an enum are covered.

If you want to assert more than one case is unreachable, use DEFAULT_UNREACHABLE;
Twitter EGO-network importer for and the ABXY query.
Use <jhm/naming.h> instead of boost/filesystem.
Make AsStr variadic.
Merge pull request #130 from mpark/abxy

ABXY query
Merge pull request #132 from cmaloney/vexing-parse

orly/data: TUuid construction suffered from the most vexing parse.
Merge pull request #128 from cmaloney/rm-safe-global

Move off of <base/safe_global>
Adding a counting semaphore that is compatible with fibers
Re-enabling support for parallel core-vector imports. This was temporarily disabled with the scheduler change. We now leverage the disk-merge fiber runners to do the work.
Merge pull request #134 from jmlvanre/parallel-core-import

Parallel core import
Remove unnecessary null pointer checks
Merge pull request #136 from mpark/if_delete

Remove unnecessary null pointer checks
Makefile: Make 'make install' more complete
Generic lambdas aren't quite ready in g++-4.9.0.
Remove unnecessary assert

The code is properly guarded from not mucking with a shutting down job runner just a few lines below already.

Fixes #137
Merge pull request #139 from mpark/gdb-fix

Generic lambdas aren't quite ready in g++-4.9.0.
Merge pull request #140 from cmaloney/issue-137

Remove unnecessary assert
Remove setup function in twitter_ego.orly.