bump Kotlin version to 1.0.6 (formerly 1.0.4)
bump Kotlin version to 1.0.6 (formerly 1.0.4)

cga-harvard/hhypermap-bop,cga-harvard/hhypermap-bop,dsmiley/hhypermap-bop,cga-harvard/hhypermap-bop,cga-harvard/hhypermap-bop,cga-harvard/hhypermap-bop,dsmiley/hhypermap-bop,cga-harvard/hhypermap-bop,cga-harvard/hhypermap-bop,dsmiley/hhypermap-bop