fix creating error report when pod was ran not from project dir
fix creating error report when pod was ran not from project dir

I run pod search not from directory with xcode project and it there was
an error with reading podfile. Than I added check for existence of
podfile. [#177]

Ashton-W/Core,dnkoutso/Core,dacaiguoguogmail/Core,orta/Core,brianmichel/Core,k0nserv/Core,CocoaPods/Core,AdamCampbell/Core,gabro/Core