upgrade rebar to v2.5.0 and upgrade app template mochi#131

Merge branch 'websocket'

update CHANGES for v2.7.0 release

bump version to v2.6.0, make check_for_gen_tcp_fix a test

update CHANGES, tag v2.4.2

tag v2.4.1

update CHANGES and bump vsn to 2.4.0

bump to 2.3.2, Case insensitive match for "Connection: close" (mochi#81)

remove template_dir from rebar.config and update changelog for 2.3.1 …

…release

Merge branch 'html5-gh64'