Merge pull request #1 from happyfoxinc/development

Support for Zendesk and Desk
Fix issue in image link in README

GitHub does not seem to display the markdown for image links properly.
Reverting to HTML-style.
Update README with info on getting HSHelpStack instance
Moved Themes documentation into README.md and added links
Update README with correct link to HelpStack
Updates to README

- Better introduction
- Prominent links to helpstack.io
- Removed placeholder for Android Studio support
- Added instructions to find credentials for Gears
Add helpdesk logos to README
README: Show logos in one row
README: Increase space between helpdesk logos
README: Removed helpdesk logos and added HappyFox logo in About section
Changing search.xml to hs_search_menu.xml

This causes issues when importing the library into projects that
contain another search.xml under res/menu/

TODO: Similar files have to be renamed to prevent similar issues.
Update README with instructions on how to download library from jcenter
Fix broken link to HelpStack website
Update to README

Made some changes based on feedback from @nalinchhajer1.
Remove AttachmentActivity from Manifest

The Activity was removed earlier, but the manifest hadn’t been updated.
Instructions for showing KB articles belonging to a section, in HappyFox
Adding hs_ prefix to files under res/menu

This is done to prevent file-name clashes with projects that use this
library.
Improvements in intro section of README
Include desk.com link in README
Adding hs_ prefix to files under res/layout

This is done to prevent file-name clashes with projects that use this
library.