Merge branch 'lwa-bugfix' into placeholder

* lwa-bugfix:
  added .dylib to .gitignore
  Added LWA as telescope in misc_utils.c
Merge branch 'master' of git://github.com/scottransom/presto into placeholder

* 'master' of git://github.com/scottransom/presto:
Improved precision of channel frequencies when reading PSRFITS files
Made sure freq calculation was done as double
Merge pull request #24 from paulray/fix-psrfits-freqs

Fix psrfits frequency determinations