Merging Endpoint Activity to Android project and using google repositories for support libraries

Signed-off-by: Frca <killerfrca@gmail.com>
Unfinished AppEngine changes

Signed-off-by: Frca <killerfrca@gmail.com>
Missing file for commit c1359f1f8aa928c2cc435fb7e2bd5cd43b4f8513

Signed-off-by: Frca <killerfrca@gmail.com>
Update intellij files

Signed-off-by: Frca <killerfrca@gmail.com>
Remove invalid part of intellij project file

Signed-off-by: Frca <killerfrca@gmail.com>
Add more exluded files to project file

Signed-off-by: Frca <killerfrca@gmail.com>
Move compilation target to Android API 18, move some classes to proper packages

Signed-off-by: Frca <killerfrca@gmail.com>