Add benchmark for event hooking.
Delegate remaining undelegated methods. Fixes #1145.
Bump dev verstion to 1.7.6.dev.
Merge branch 'jruby-1_7'

Conflicts:
	core/pom.xml
	docs/man/pom.xml
	docs/pom.xml
	ext/openssl/pom.xml
	ext/pom.xml
	ext/readline/pom.xml
	ext/ripper/pom.xml
	maven/gems/pom.xml
	maven/jruby-complete/pom.xml
	maven/jruby-core-complete/pom.xml
	maven/jruby-dist/pom.xml
	maven/jruby-jars/pom.xml
	maven/jruby-noasm/pom.xml
	maven/jruby-rake-plugin/pom.xml
	maven/jruby-stdlib-complete/pom.xml
	maven/jruby-stdlib/pom.xml
	maven/jruby/pom.xml
	maven/pom.xml
	pom.xml
	test/pom.xml
Additional excludes for intellij files.
Fix a bunch of failing unit tests.