shellcheck.net compliance thanx to @fernsehmuell

Merge pull request #15 from mjaschen/feat_make_makefile_behave_more_l…

…ike_a_makefile

Add some tweaks to the Makefile to make it behave more like a Makefile

added hosts file feature

contributed by @erpel

added static man page back to repo to avoid mandoc dependency

Merge pull request #14 from elcorto/feature-pane-title

Add options to set pane title, remote prompt and sync panes

fix typo in man page

Merge pull request #5 from michaaa/master

Added an "&& exit" to ssh command

Update README.md