Update 02-getting-started.md.erb

fix typo
Update 02-getting-started.md.erb

＂一尘不变＂改为＂一成不变＂
Update 02-getting-started.md.erb

Change "javaScript" to "JavaScript".
Change "CoffeScript" to "CoffeeScript".
Update 02-getting-started.md.erb

Add a missing white space.
Update 02s-deploying.md.erb
Update 02s-deploying.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Update 03s-using-github.md.erb
Merge pull request #12 from stfairy/master

错别字等修改