Tabs to white spaces

Signed-off-by: Vladimir Petukhov <kavinator@gmail.com>
Copyright in variable

Signed-off-by: Vladimir Petukhov <kavinator@gmail.com>
Allman style

Signed-off-by: Vladimir Petukhov <kavinator@gmail.com>
Better reading code

Signed-off-by: Vladimir Petukhov <kavinator@gmail.com>
Merge branch 'code-style' into dev-v0.6

* code-style:
  Better reading code
  Allman style
  Copyright in variable
  Tabs to white spaces