Merge pull request #1 from szprutamich/TD-57

Td 57
Merge pull request #2 from szprutamich/devel

AUTOMATIC device session type
TD-153 device session state types
Merge branch 'devel' of github.com:krzysiekbarca/testdroid-api into devel
Merge pull request #1 from krzysiekbarca/devel

TD-153 device session state types