Automated checkin: version bump for fennec 22.0b1 release. DONTBUILD CLOSED TREE a=release

--HG--
branch : MOBILE220b1_2013051420_RELBRANCH
Added FENNEC_22_0b1_RELEASE FENNEC_22_0b1_BUILD1 tag(s) for changeset bc878427d4ad. DONTBUILD CLOSED TREE a=release

--HG--
branch : MOBILE220b1_2013051420_RELBRANCH