[@ware]Implement Admin flag, and remove admin id from properties file

To allow to change admin id in database.
[@share]Rename nemakiware_config to nemakishare_config
[@ware]Null safe condition at YamlManager
[@inst]Implement multi-platform GUI installer for NemakiWare, NemakiSolr
and NenakiShare

Support OSX, Linux and Windows.
Usage:
go to setup/installer then
sh ./make.sh(or execute make.bat)
lets you get install.jar under the same folder.
Option -e run the application right after the installation.

NOTE: For OSX, you might need to run install.jar from command line.
Clicking it can causes a path problem and some configuration
commands(bundle install, rake) fail.
If some installation script fails, run setup_nemakishare.sh(or .bat)
respectively.