* fixed issue 188
Test travis
* removed test file
* updated android sdk version
* updated travis-ci test script
* split components sdk
* extended list of existed system-images
* fixed getting of exactly eabi v7a system image
fixed typo
tried to fix missing argument of filter
added exactly arm eabi v7a system image
added showing full list
updated android sdk manager
updated line of installation
* After, issue #188 was fixed I've found result of fix in getMany method.
  If foreign model has id name different from Id, you'll get empty list
* updated travis-ci build script
* added android sdk path
changed android sdk path
worker around travis
* worked around travis
* added X