Goodbye 'fullbuild', hello 'bootstrap'.

Goodbye 'fullbuild', hello 'bootstrap'.
* Makefile.am (bootstrap): New target for building from CVS.  New
improved version of 'fullbuild' -- does not install any files.
(fullbuild): Obsolete target.  Bootstraps and installs tree.
(mcs-tree-safe-build,xinstall-runtime,mcs-rest,remove-binaries):
Removed.
(stage1,stage1-mcs,stage1-mono,stage2,stage3)
(tmpinst-dir,tmpinst-runtime): New targets used to implement a
two-stage bootstrap.

svn path=/trunk/mono/; revision=26884