Merge pull request rstudio#111 from rstudio/aron/v1.4.0-version-bump

v1.4.0 version bump

Bump to version 1.3.0

Bumped version.

Bump to version 1.0

Version bump to 0.5.0

Bumped version to 0.4.2

Update version

Bumped to 0.4.0

Final TCP/IP-based version of shiny-server, which is required for com…

…patibility with R shiny package v0.5.

Work in progress