[CocoaPods] Rewrite slightly and update to include `rake pod:install`.
Port debugging guide to LLDB.
Sacreblue, mon balisage!
[proj management] Document OS X option `external_frameworks'.
Merge branch 'master' into korean

Conflicts:
	articles/cocoapods/index.txt
	articles/debugging/index.txt
Merge branch 'korean' into gh-pages
Regenerate after update articles