update ReleaseNotes and ChangeLog

add more specific bug reporting guidelines

[skip ci]

update Slackware packaging info for rmw-0.7.02 release

configure.ac:remove comment no longer applicable

[skip ci]

release version 0.4.05

update docs prior to release of 0.4.03 [skip ci]

Makefile: add docs for docdir

rmw.pot:updated

change version to 0.4.01-pre

.travis.yml:add 'make install` to test