Add and use --agent to mspec
Add and use --agent to mspec

MagLev/mspec,MagLev/mspec,kachick/mspec,voxik/mspec,mkb/mspec,Gibheer/mspec,ruby/mspec,timfel/mspec,shugo/mspec,iainbeeston/mspec,nobu/mspec,ruby/mspec,Zoxc/mspec,ryoqun/mspec,alex/mspec,rubinius/mspec,kachick/mspec,rdp/mspec,opal/mspec,shirosaki/mspec,elia/mspec,iainbeeston/mspec,eregon/mspec,opal/mspec,ryoqun/mspec