Alias global math functions instead of names in std:: to avoid warnings
Fixes #476
Fixes #502
Explicitly link against libm if g++ won't give it to us for free
Fail the build if we encounter an unrecognized command line variable

Fixes #506
Merge pull request #507 from jaredhoberock/issue-502

Issue 502
Carefully define signbit & isfinite

Fixes #502
Merge pull request #508 from jaredhoberock/issue-502

Carefully define signbit & isfinite
Update to latest Bulk
Finesse how isinf and isnan are declared
Merge pull request #510 from jaredhoberock/bulk

Update to latest Bulk
Merge pull request #511 from jaredhoberock/complex-issue

Finesse how isinf and isnan are declared
Dance around CUDA's various definitions of signbit() & isfinite()
Merge pull request #512 from jaredhoberock/complex-issue

Dance around CUDA's various definitions of signbit() & isfinite()
Try to fix signbit & isfinite again
Merge pull request #513 from jaredhoberock/complex-issue

Try to fix signbit & isfinite again
Ignore unknown variables since the way we were handling it broke the
tests=regex option

Allow additional architecture options for the arch command line variable
Set the default architecture to sm_20

Fixes #509
Merge pull request #514 from jaredhoberock/issue-509

Ignore unknown variables since the way we were handling it broke the
Workaround persistent problems with isinf & isnan on OSX
Merge pull request #515 from jaredhoberock/complex-issue

Workaround persistent problems with isinf & isnan on OSX
Update to latest Bulk
Merge pull request #518 from jaredhoberock/bulk

Update to latest Bulk