Roll back to 1.1.0.BUILD-SNAPSHOT
Use classname instead of value in @ConditionalOnMissingClass

See gh-1065
Deprecate @ConditionalOnMissingClass.value

Fixes gh-1069
Remove superfluous starter dependencies

Remove superfluous dependencies from spring-boot-starter-tomcat and
spring-boot-starter-jetty which caused gradle based builds to put
too many libraries in `/lib-provided` when building a war.

Fixes gh-1064
Next development version
Fixup version numbers following release