[refs #2653] Created the OSHA sub-theme
[refs #2653] Created the OSHA admin sub-theme
[refs #2653] Added the block regions available to the theme
[refs #2653] Implemented theme_simplenews_field()
[refs #2653] Added the Simplenews Content Selection template
[refs #2653] Updated the newsletter template
[refs #2653] Created the template.php file
[refs #2653] Added the htmlmail template
[refs #2653] Added the simplenews templates
[refs #2653] Refactored the code
[refs #2653] Updated the simplenews template
[refs #2653] Updated the simplenews body template
[refs #2653] Updated the simplenews footer template
[refs #2653] Added the social media icons
[refs #2653] Updated the simplenews footer template
[refs #2653] Updated the button string
[refs #2653] Updated the newsletter template
Merge pull request #96 from cdog/task_2653

Created custom newsletter templates - stage 1