Revert "professionalize the README"

This reverts commit db202f96d0ec74625ed1ec8233c1fcece9e37668.
Revert "Add and style welcome-modal with 1st time help"

This reverts commit c141c69afc843442b6d42cc948d6d06b8e24b245.
Revert "make welcome page responsive"

This reverts commit 41c30c0a5902a3f70430defe62efa19951aa8731.
Revert "re-edit conflict blurb and add in http"

This reverts commit b60a0489083f7a73e7c47fb53d7d4d3e9c344d5a.
Revert "Edit mandatory conflict blurb"

This reverts commit 752e2acd8eec0ce54100ffddc3714e25127e63ac.
Revert "css changes from master"

This reverts commit 0a124d76eb6cadc0f090e1643e9f6cf7c6b0cfb9, reversing
changes made to f373ed6818883e30515b17c3ebfc0f7a36562a0c.