Some US domestic sources
Lots of local international sources
Merge pull request #45 from ahalterman/master

Lots more sources
Added lots of Philippines sources
Added lot of Nigeria sources
Added misc sources (India, Pak, general Asia/Africa)
Added Pakistan local sources
Merge pull request #46 from ahalterman/master

Add lots of local sources
Explained international vs. local sources
Add column for source type (int. vs local)
Merge pull request #47 from ahalterman/master

Add international/local/wire label to sources