add keen-io dependency
add keen io client to depedencies
report buildtime data to keen io
add comment
fix typo in argument example string
log repo name
log travis repo slug
replace property 'id' by 'build'
add KEEN_PROJECT_ID
add KEEN_WRITE_KEY, close #1

use KEEN_MASTER_KEY as WKEEN_WRITE_KEY. It is not as long, so you don't
run into SSL limits when encrypting its value, see issue #1.
itemize encrypted variables
Merge branch 'master' into keen-io

Conflicts:
	.travis.yml
	analyse.py