composer.json cleanup and web files removal

...user interface will be implemented in a future version
refs #12: Implement the copy folder(s) script command

plus other minor fixes
refs #12: Implement the copy folder(s) script command: updated README
refs #15: Implement the set permissions script command
refs #15: Implement the set permissions script command - updated README
Changed requested version of phpseclib
refs #14: Allow global user commands, recipes and build template
refs #13: Implement basic logging
refs #13: Implement basic logging: added SaveLogCommand
refs #11: Implement the init command
Preparing to 0.3 release
refs #17: Improve init script and default templates
refs #17: Improve init script and default templates

fixed createConfig default value in non interactive mode
Use flatten array for loadJson command
Preparing to 0.3 release: added version check since loadJson is not backward compatible
Preparing to 0.3 release: full version number
refs #17: Improve init script and default templates

Save the current environment name in params['environment']
Preparing to 0.3 release