python3 upgrade

merging python3 upgrade branch into loggly-patch

Moving some common JIRA rest API call templates to here.

Merge pull request #3 from ankushmiddha/patch-search-issue

patch for search issues by key using JIRA issuePicker rest API.

Moving some common JIRA rest API call templates to here.

Merge pull request #3 from ankushmiddha/patch-search-issue

patch for search issues by key using JIRA issuePicker rest API.

v1.07-patch: Merge pull request #2 from loggly/tgrrtt-patch-1

Override __version__