Changes

| [https://wiki.mozilla.org/Summit2013#Five_Ways_to_Have_a_Great_Summit 5 ways to have a great Summit], [https://mozillians.org/en-US/u/95d8dbb0bd/ Sign-up for Open Sessions], [http://mzl.la/summit2013-fairs Participate in a Fair], [https://docs.google.com/forms/d/1fhE8oVSAkk5gN9-pfoQ-lCJjQEO2My3kup2NcuAagW0/viewform Hockey Sign-up], [https://docs.google.com/spreadsheet/ccc?key=0AlHI_LlmJ9BldDR0RFY4UDNyTFlIRkZYRVQ3S2hSZmc#gid=0 Demonstrate FirefoxOS]