add grunt 0.4 support and some change to source and ant build file to be compatible with grunt
travis ci configuration fix
Oops, travis ci configuration fix again
Merge pull request #549 from kfll/grunt

Use grunt instead of Ant to build seajs
Ignore node_modules
Ignore node_modules
Restore previous simple version
Use @VERSION as variable for build
Simplify package info
Comment use strict
Update version to 2.0.0pre
Add grunt to devDependencies
Change version to 2.0.0pre
Update devDependencies
Modify newline in EOF for concating with Grunt
Improve scripts for building sea.js
add CONTRIBUTING.md
Rebuild packages with Grunt
Update Gruntfile
Add gcc to devDependencies