index_apex_overlays() fix

Handle records key being returned with zero elements
Open On Server

Functions to support opening of metadata on the Salesforce server
no selections for depoy

Don't preselect any components for deploy command.
update build script

set python_location in build_settings.json to default Brew install,
update freeze_dev_osx.py to grab proper paths
set path on build_settings

Set the abspath for build_settings so you can run the file from
anywhere.
remove the mm directory after building

All of these files are autogenerated by the build script and are not
needed, already removed at top of next build.
better meta data checking for open on server

Use the meta xml files to determine the file type, more efficient url
building
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Merge pull request #4 from doublesharp/open-on-sfdc

Open Salesforce Metadata