
In goog.History, don't set the startup "#" on browsers that don't require it.

TESTED:
Exercised the history demo in the following browsers:
Chrome 12
Safari 5
Firefox 4, 3.6, 2
Opera 11
IE 9, 8, 7

R=pupius,obelomestnykh
DELTA=50  (21 added, 14 deleted, 15 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=2011


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@947 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

rethinkdb/google-closure-library,thinkfuse/google-closure,homer6/google-closure-library,KgDesignes/closure-library,knutwalker/google-closure-library,thinkfuse/google-closure,neilrahilly/closure-library,Kuniwak/google-closure-library-jsdoc,rethinkdb/google-closure-library,prop/closure-library,KgDesignes/closure-library,thinkfuse/google-closure,prop/closure-library,rethinkdb/google-closure-library,knutwalker/google-closure-library,homer6/google-closure-library,jarib/google-closure-library,KgDesignes/closure-library,jarib/google-closure-library,homer6/google-closure-library,prop/closure-library,neilrahilly/closure-library,neilrahilly/closure-library,Kuniwak/google-closure-library-jsdoc