add other submodules
Remove contents from README

GitHub nicely handles submodule references, so we can just look at
that to navigate.
add basic environment setup script
add script to easily modify submodule origins
a few final comments
nitpick filename
Merge pull request #2 from maedoc/upstream-clean

nitpick filename
add scripts to quickstart tvb environment and use environment
Merge branch 'upstream-clean' of github.com:the-virtual-brain/tvb-pack into upstream-clean
add notes on environments
Provide extra notes & updated dependencies
Update README.md
Merge pull request #3 from pausz/master

Update README.md
mention explanation about upstream
Update .gitmodules

Update link in submodules after recent changes in tvb-repositories.
Update tvb-pack after repository changes
Update scripts after rename
Add tvb-library submodule