Create '=' and '%' UltiSnips format shortcuts for eruby files

That matches the snippets for snipmate

Author: filipegiusti

UltiSnips/eruby.snippets

@@ -24,6 +24,14 @@ def textmate_var(var, snip):
 endglobal
 
 
+snippet % "<% ${0} %>"
+`!p textmate_var('TM_RAILS_TEMPLATE_START_RUBY_INLINE', snip)`${0}`!p textmate_var('TM_RAILS_TEMPLATE_END_RUBY_INLINE', snip)`
+endsnippet
+
+snippet = "<%= ${0} %>"
+`!p textmate_var('TM_RAILS_TEMPLATE_START_RUBY_EXPR', snip)`${0}`!p textmate_var('TM_RAILS_TEMPLATE_END_RUBY_EXPR', snip)`
+endsnippet
+
 ###########################################################################
 #            GENERATED FROM get_tm_snippets.py + REGEX REPLACE            #
 ###########################################################################