Document append_to_resp_body

All other response body related functions use _resp_ not _response_ so
having _response_ in one place is confusing.
Fix logger deadlock situation when log file is rotated
no drinks
Merge pull request #198 from basho/no-drinks

no drinks
move to basho mochiweb 1.5.1p7
Merge pull request #201 from basho/mochiweb-1.5.1p7

move to basho mochiweb 1.5.1p7
fix version check in rebar.config.script for 17.0
Merge pull request #203 from basho/vinoski/vsn-17-check

fix version check in rebar.config.script for 17.0
pick up meck 0.8.2 to get Erlang 17.0 fixes
Merge pull request #204 from basho/vinoski/meck-0.8.2

pick up meck 0.8.2 to get Erlang 17.0 fixes
Fix some dialyzer warnings
fix remaining dialyzer warnings
Merge pull request #187 from basho/bugfix/dialyzer-warnings

Fix dialyzer warnings
update ibrowse to 4.0.2
Fix logger deadlock situation when log file is rotated
Merge branch 'develop' of github.com:cobusc/webmachine into develop
Merge pull request #197 from cobusc/develop

Fix logger deadlock situation when log file is rotated

Reviewed-by: seancribbs
Merge pull request #170 from agx/develop

Document append_to_resp_body

Reviewed-by: seancribbs
Merge pull request #206 from basho/ku-update-ibrowse

update ibrowse to 4.0.2

Reviewed-by: seancribbs
update to newest version of mochiweb