add validation methods
corrected minor syntax error
execute validations in the send function
add demo model with validations
include validation methods in the main script
add info about validation branch
rm model_demo

Was only a temp file for reference
restored readme
modified testing document for validations
updated the validation methods
add new validate prototype for Instance
add validation prototype to grunt build
make callbacks and validations accessible
validations no longer part of the send module
Merge old readme from github

Conflicts:
	readme.md
proper readme added
Merge pull request #7 from adammcarth/validations

Add validations support