1find_spec_for_exe': can't find gem cocoapods (>= 0.a) (Gem::GemNotFoundException)
from /Users/sibo/.rvm/rubies/ruby-2.0.0-p648/lib/ruby/site_ruby/2.0.0/rubygems.rb:278:inactivate_bin_path'
from /Users/sibo/.rvm/rubies/ruby-2.0.0-p648/bin/pod:22:in `'
解决如下：
1: sudo gem uninstall cocoapods
2: gem install cocoapods
3: pod install
2忽略第三方库的警告
inhibit_all_warnings!