add functions to conda.builder.utils
Don't say to modify the PATH by hand
Merge branch 'master' of github.com:ContinuumIO/conda
add new metadata module
update work on metadata module
rename old source module
add new source module
and conda.build.environ
add post module
remove unused variable
Raise ImportError when psutil can't find an exception class

Fixes issue #129.
Move the ImportError to the right location
add conda.builder.scripts
fixed bug in in conda install --force
add conda.builder.build module
update work on new build module
Updated scrape_help.py and conda command pages.
update work on conda.builder.build
building works
remove test metadata file