Two views weren't hidden by default, so they were taking up space before they
were needed. The java code already takes care of showing them when necessary.
- App icon is now 72dp x 72dp
- Description is expandable
- License, categories, Website, Source Code, Issues and Donate (#232) are moved from header to summary
- Buttons to install, update and run are moved from action bar to header
- Permissions are expandable and always shown
- Add myself to copyright holders of "F-Droid/res/layout/app_details_header.xml", "F-Droid/res/layout/app_details_summary.xml" and
"F-Droid/src/org/fdroid/fdroid/AppDetails.java"
