* Change 'add' to add to .gitignore by default.
Also add _message() function and improve output from 'git-secret-add',
alter tests for new code behavior, and update docs.
* change tests since 'add' always adds to .gitignore
* improve output: prepend more message with 'git-secret:'.
* update man page for git-secret-add
* add test for travis-ci windows support
* Make 'ps' command options platform specific *nix/windows
* Add _clean_path for windows, apply to all homedir input arguments
* export GITSECRET_DIST="windows" in git hook if running windows
* Bash lint fixes
* Support SECRETS_VERBOSE env var in addition to -v
* don't use --quiet when decrypting in verbose mode
* show output of gpg encryption in verbose mode
* add tests for SECRETS_VERBOSE env var set to 0 and 1
* update changelog, reorder entries.
* add tests for 'cat' and 'hide' with SECRETS_VERBOSE=1
* respect SECRETS_DIR and SECRETS_EXTENSION in tests
* add line regarding fixes to CHANGELOG.md
* test with non-standard SECRETS_EXTENSION
* Add details about init, mention SECRETS_EXTENSION in init page
* update git-secret-init man page
* clarification about killperson and secrets, rephrasing.
* how to develop without docker/test-kitchen
* doc changes about gh-pages branch. other clarifications.
* OSX has been renamed MacOS (except in travis-ci)
* add 'git secret tell -v' option to show output of key imports
* add tests for tell with/without -v
* remove unneeded test code and bats diagnostic output
* tests and comments about 'changes' for #291
* add 'changes' tests, improve diagnostic
* preserve trailing newlines in diff output
* use bash trickery to preserve trailing newlines in captured text
* test 'changes' on files without newlines and when called on a non-existant file
* improve comments and variable names
* test with expired key, add 'whoknows -l'
* 'whoknows -l' shows key expiration dates
* also added docs and tests for `whoknows -l`,
* tests for expired keys,
* epoch_to_date functions
* update man pages
* fix epoch-to-date conversion on OSX
* test output of 'whoknows -l'
* fix for lint/shellcheck
* fix for osx
* lint fix
* use date as found in $PATH
* disable 'set -e' as little as possible
* test that hiding secret with expired key fails
* add test of user key without username.
* revert to performing most tests with 'user1'.
* move user4 private/public key fixtures
* factor code fetching emails from keyrings, add comments.
* use factored _warn_or_abort()
* add to, clean up, and clarify comments.
* -F (force even if gpg fails) option for hide and reveal
* allow 'reveal' to decrypt a subset of files.
* update and regen man pages
* man pages update and improvements
* text about why all files should be hidden at once
* add _warn() and _warn_or_abort()
* tests for -F option
* glob source .sh files in Makefile better
* add comment about issue #238. cleanup error msg.
* test exact case in #253
* disable gnupg doc building on ubuntu-rolling
* name keys after emails, not usernames
* use emails to specify users
* rename and add function to get emails from keyrings
* rename directories holding gpg test fixtures
* deny emails that aren't in the keyring, and test.
* require 'killperson' emails to exist in keyring
* change test to reflect killperson must use email
* remove no-longer-needed test function
* factor function _assert_keychain_contains_emais()
* fix/make lint happy
