Report ICU failures as the intl extension being missing, refs #1939
Abort if a script fails to execute, and exit with the exit code of the process, fixes #1943
updated script events
added new POST_ROOT_PACKGE_INSTALL and POST_CREATE_PROjECT event, triggered only in create-project
changed create-package parameter 'package' to be optional, command now looks in working directory for composer project if no param is given
Added realpath to VcsDriver constructor

See https://github.com/composer/composer/pull/1828
Add --lock argument to the update command to make this hack explicit and official
Merge pull request #1950 from rovangju/master

Added realpath to VcsDriver constructor to address issues with relative file paths...
Add HTTPS_PROXY_REQUEST_FULLURI to disable the request_fulluri only for https requests, fixes #1946, fixes #1839
Fix tests
code refactoring
adjusted script event name
updated docs with new create project command information
added author
added script events to schema
Merge remote-tracking branch 'schmunk42/feature-create-project-events'
Cleanups