refactor password source, allow for "pass" to be used, update tests to use password-source: pass

t/100basic.t

@@ -13,7 +13,7 @@ PLAN 86
 
 # reset login
 RUNS $jira logout
-echo "gojira123" | RUNS $jira login
+RUNS $jira login
 
 # cleanup from previous failed test executions
 ($jira ls | awk -F: '{print $1}' | while read issue; do ../jira done $issue; done) | sed 's/^/# CLEANUP: /g'
@@ -205,7 +205,7 @@ EOF
 jira="$jira --user mothra"
 
 RUNS $jira logout
-echo "mothra123" | RUNS $jira login
+RUNS $jira login
 
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