Improve usage text for parameter alternatives

See merge request !23

ISTWCMS-5291: Base release notes on wcms/drupal-recommended-project

See merge request !19

RT#988316/ISTWCMS-3213: Do not display failure message when Jira ticket creation succeeds

See merge request !22

The check in the next line would always fail because $jira_ticket was
not set. Fixes problem introduced in c40145d2.

ISTWCMS-5258: Read project list from wcms/drupal-recommended-project

See merge request !21

Update server name for sandboxes pool

See merge request !20

ISTWCMS-5217: Create site-drush.php to run Drush commands on sites

See merge request !17

Coding standards: Mark $_uw_wcms_tools_usage as global for all uses

See merge request !18

RT#988316/ISTWCMS-3213: Properly detect success of uw_wcms_tools_jira_api_query()

See merge request !16

This has always returned an object. Previously, this was iterated on
directly. In c40145d2, the return was set to a variable which was checked
before iterating in case it was NULL. But the check was for an array.

ISTWCMS-4968: Add Jira ticket status indicator when the status is not "Done"

See merge request !15

ISTWCMS-4928: Create tool for generating release notes

See merge request !14

Create uw_wcms_tools_get_jira_credentials(). Take credentials from
environment variables when function variable_get() does not exist.

Create constant UW_WCMS_TOOLS_JIRA_API_LOCATION.