chromium: Update stable channel from 33.0.1750.152 -> 34.0.1847.116
icedtea7: Update from 2.4.5 -> 2.4.6
icedtea7: Fix building v2.4.6 by backporting fix

See http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1726
icedtea7_web: Update from 1.4.2 -> 1.5

Fixes CVE-2012-4540.
icedtea7_web: Fix configure phase not finding bash