guile: the crrent atomspace really is a state variable...
guile: Add an embedded atomspace function
guile: allow in-line atomspaces
Expand the multi-space unit test
guile: make the handle check a little faster
Don't throw for mixed-atomspace extracts
guile: be sure to always exit the print thread.
bugfix test-cse: don't use atomspace before defining it.
Add tutorial
Merge pull request #1029 from cosmoharrigan/tutorial

Add tutorial
Remove obsolete tree_generation.h file to install
print debugging info for asset for bug #1025
Fix printing in code that was just added
Merge pull request #1030 from linas/dbg

Print debugging info for assert for bug #1025
redo the debug printing so that its less garbled.