Improved travis config
Improved travis config
garethellis36/commonmark,fesor/commonmark,hason/commonmark,postalservice14/commonmark,kkiernan/commonmark,bcremer/commonmark,fesor/commonmark,garethellis36/commonmark,hason/commonmark,thephpleague/commonmark,thephpleague/commonmark,colinodell/commonmark,stof/commonmark,postalservice14/commonmark,kkiernan/commonmark