Added grepInDirectory method to FSHelper.
Added grepInDirectory method to FSHelper.

sinan/koding,rjeczalik/koding,acbodine/koding,sinan/koding,cihangir/koding,gokmen/koding,szkl/koding,gokmen/koding,kwagdy/koding-1,cihangir/koding,acbodine/koding,jack89129/koding,drewsetski/koding,rjeczalik/koding,drewsetski/koding,jack89129/koding,szkl/koding,drewsetski/koding,acbodine/koding,rjeczalik/koding,cihangir/koding,drewsetski/koding,usirin/koding,andrewjcasal/koding,koding/koding,alex-ionochkin/koding,mertaytore/koding,cihangir/koding,koding/koding,sinan/koding,mertaytore/koding,jack89129/koding,sinan/koding,andrewjcasal/koding,alex-ionochkin/koding,kwagdy/koding-1,gokmen/koding,jack89129/koding,szkl/koding,acbodine/koding,koding/koding,drewsetski/koding,drewsetski/koding,mertaytore/koding,szkl/koding,szkl/koding,acbodine/koding,rjeczalik/koding,alex-ionochkin/koding,szkl/koding,kwagdy/koding-1,acbodine/koding,cihangir/koding,usirin/koding,andrewjcasal/koding,mertaytore/koding,alex-ionochkin/koding,drewsetski/koding,rjeczalik/koding,usirin/koding,koding/koding,usirin/koding,andrewjcasal/koding,sinan/koding,drewsetski/koding,cihangir/koding,sinan/koding,koding/koding,alex-ionochkin/koding,kwagdy/koding-1,koding/koding,jack89129/koding,mertaytore/koding,koding/koding,usirin/koding,szkl/koding,jack89129/koding,mertaytore/koding,rjeczalik/koding,andrewjcasal/koding,gokmen/koding,alex-ionochkin/koding,mertaytore/koding,sinan/koding,gokmen/koding,rjeczalik/koding,gokmen/koding,kwagdy/koding-1,gokmen/koding,cihangir/koding,koding/koding,szkl/koding,kwagdy/koding-1,jack89129/koding,cihangir/koding,usirin/koding,usirin/koding,kwagdy/koding-1,alex-ionochkin/koding,acbodine/koding,rjeczalik/koding,andrewjcasal/koding,andrewjcasal/koding,andrewjcasal/koding,alex-ionochkin/koding,jack89129/koding,usirin/koding,gokmen/koding,acbodine/koding,mertaytore/koding,kwagdy/koding-1,sinan/koding