Include project.properties in all new Mortar projects and default Pig version to 0.12
Add default versions of project.manifest and requirements.txt, handle sub directories in manifest file.
Generate other typical directories with brief READMEs explaining what the folder is for.
Switch to select (instead of select!) to support ruby 1.8.7
Don't sync luigiscripts and params since only needed locally
Code review changes
Remove data folder changes
Replace lib directory gitkeep with README
Merge pull request #206 from mortardata/jkarn_mortar_files

[#73798728] Jkarn mortar files