Move most jasmine global usage into boot.

- thor build scripts broken for now.

spec/support/boot.js

@@ -0,0 +1 @@
+../../lib/jasmine-core/boot/boot.js

spec/support/dev_boot.js

@@ -0,0 +1,5 @@
+var originalJasmine = jasmine;
+//copy clock methods back into window,
+//so second jasmine load doesn't use jasmine clock methods.
+jasmine.util.extend(window, jasmine.Clock.real);
+jasmine = null;