* ConfigVarList.is_resolved checks is a string has no $() references
* CURRENT_OS_NAMES renamed __CURRENT_OS_NAMES__
    * ROOT_LINKS_FOLDER renamed ROOT_REPO_LINKS_FOLDER. ROOT_LINKS_FOLDER will point to the links folder above all repositories
* repo_rev file is saved to "$(ROOT_LINKS_FOLDER)/admin"
Merge branch 'master' of https://github.com/wavesaudio/instl

merge from master