Squashed commit of work to make Jasmine a collection of isolated modules. Note now that in our test suite, "jasmine" now always refers to the build jasmine loaded from jasmine.js and "j$" always refers to the code in the src directories.

Also, dev_boot.js is now a copy of boot.js and has additional changes to load jasmine the second time, into the j$ reference.

lib/jasmine-core/boot.js

@@ -22,6 +22,9 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 // Jasmine boot.js for browser runners - exposes external/global interface, builds the Jasmine environment and executes it.
 (function() {
+  window.jasmine = jasmineRequire.core(jasmineRequire);
+  jasmineRequire.html(jasmine);
+
   var env = jasmine.getEnv();
 
   var jasmineInterface = {