sol_Bo8des9o/openzeppelin-contracts @ a99b9da3d41cef7126c60279c70e3f9ce8cd21a6

Francisco Giordano a99b9da3d4 Automate build step (#1551)		6 lat temu
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ci	524a27674c ci: trigger docs update on tag (#1186)	7 lat temu
build.sh	a99b9da3d4 Automate build step (#1551)	6 lat temu
coverage.sh	c79c6d76d8 unify test and coverage scripts	8 lat temu
test.sh	df9426f989 tests: use stages for the travis execution (#967)	7 lat temu
version.js	90413e75f1 add version script to update ethpm.json (#906)	7 lat temu