Futoin-cid

CHANGED: "cid tool test" to show version on failure
CHANGED: "cid tool env" not to auto-install required tool
NEW: added "cid tool envexec" support
NEW: extended README with more detilas
NEW: added "CID_INTERACTIVE_SUDO" env support

BREAKING CHANGE: seriously refactored PHP support
- changed to allow only binary installs by default
- added auto-detection of avialable & installed/enabled extensions
- added concept of phpExtRequire and phpExtTry
- new logic with phpForceBuild and phpBinOnly envs
- fine selection of source builds with phpSourceVer
BREAKING CHANGE: new ruby logic:
- changed to handle rubyForceBuild, rubyBinOnly and rubySourceVer
BREAKING CHANGE: a single installer is detected per OS now
- previously, it could happen that multiple installers are run e.g.:
apt-get for OpenSUSE, rpm for ArchLinux, etc.
FIXED: bug with implicitly broken chmodTree() after recent changes
FIXED: pkg_resource import bug on some clean systems
FIXED: not to exec fake "apt-get" on SUSE-like
FIXED: missing yum/dnf repo enable sudoers entry
FIXED: nginx setup on RHEL & OL
CHANGED: updated for OpenSUSE 42.2 Leap for testing
CHANGED: enabled OL & RHEL for regular testing
CHANGED: to use RHEL/OL-specific repos for Docker
NEW: added caching decorators for detect API and some other
NEW: added IUS PHP 7.1 for RH-based
NEW: added full SLES 12 support

FIXED: to run Yarn before other npm tools
FIXED: fixed to use "npm pack", if npm is used as RMS
CHANGED: added configutil.listify() and refactored code
CHANGED: futoin.cid.misc.releaseTool to be more generic

FIXED: bug when action hook is set a string, but not list of strings
CHANGED: to set GEM_SPEC_CACHE also under GEM_HOME
CHANGED: changes rmTree()/chmodTree() API to support signle files
NEW: added YARN package manager support
NEW: added webpack support
NEW: "cid vcs clean" command
NEW: added "futoin" as namespace package to co-exist with others

BREAKING CHANGE: huge internal refactoring
FIXED: to install libssl1.0.0 from Jessie for Debian Stretch and above
FIXED: to reset GEM_PATH on top of RVM
FIXED: to run brew with umask 0022
FIXED: SCL ruby installation without pre-enabled SCL
FIXED: scp to allow dots in host part & to support raw IP addreses
CHANGED: raised default puma requirements
CHANGED: lower nginx default memory weight to 10
NEW: ondemand loading mechanism instead of imports

* FIXED: RVM ruby builds for Debian Stretch (and any with libssl1.0-dev Deb)
* FIXED: added protection against HTTP_PROXY vulnerability
* FIXED: false lchmod support on some Linux Python builds