fix for #163 (SQL scanner), declare 1.1.1
update term-ansicolor dependency
HTML envoder keeps \t with tab_width: false
Fixes #170
relax gem version requirements
Test against Ruby 2.1 and 2.2 on Travis CI
Merge pull request #178 from tricknotes/ruby-2.1-and-2.2

Test against Ruby 2.1 and 2.2 on Travis CI
Merge branch 'master' into possible-speedups

Conflicts:
	lib/coderay/encoders/html.rb