We now ensure that the coverage report directory is created.
We now ensure that the coverage report directory is created.

(and with the usable permissions) Fixes #178

zj8487/goconvey,springning/goconvey,yaoshipu/goconvey,wallclockbuilder/assertions,wallclockbuilder/goconvey,ansiz/goconvey,zj8487/goconvey,wallclockbuilder/goconvey,wallclockbuilder/goconvey,springning/goconvey,leeola/goconvey,aquilax/goconvey,zj8487/goconvey,aquilax/goconvey,ansiz/goconvey,yaoshipu/goconvey,ansiz/goconvey,aquilax/goconvey,springning/assertions,leeola/goconvey,leeola/goconvey,wallclockbuilder/convey,springning/goconvey,yaoshipu/goconvey