add caching, IRC notifications

reduce verbosity

try using .cache folder

valid travis file

name file

push travis notifications to openrct2-dev

list directory contents

untar in the subfolder

see whats in that directory

ls more dirs

.patch is in subdir too

dont be a dummy

only download if files arent present

syntax

check correct files

check if anything is in cache

try filename with no period
Merge pull request #140 from kevinburke/travis-updates

add caching, IRC notifications