Revert "set mastercoin_tools_dir on msc_globals"

This reverts commit e12367ff8cde7660d61dd61172e1dec46a43c72b.
Add a command line argument which lets us specify the location of the mastercoin-tools repository.
Added the optional tools path to calls to get_revision_dict.
Changes the output of msc_validate to rename the sell offer files

Conflicts:
	msc_cron.sh
	msc_validate.py
Revert "rename the orig bootstrap tx directory"
instead of:
https://github.com/curtislacy/mastercoin-tools/commit/72f85070ba27fb1cf22bb146399f71ebbf8a4fe5

This reverts commit b11f93a0345306baa9d2271ed4b1e39df18c278d.
updates tools so non-deprecated functions are removed
Better success checking, and logging. Allows multiple submission of tx
made some debug output in validation not kill everything if one of its arguments is not a string.
add fix