Added a .gitignore and detailled README.md
Changed .gitignore
Add .gitattributes for Windows users
Tested with vagrant v1.4.3 on Mac OSX 10.9.1
Updated README.md
Merge pull request #1 from DieterReuter/packer-build

Added a .gitignore and detailled README.md
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Updated README.md
  Tested with vagrant v1.4.3 on Mac OSX 10.9.1
  Add .gitattributes for Windows users
  Changed .gitignore
  Added a .gitignore and detailled README.md

Conflicts:
	.gitattributes