LB-1357 : Check stt-related themes

Add changes to STT theme itself
LB-1357 : Check stt-related themes

Support for avatar
LB-1357 : Check stt-related themes

Aamulehti theme fixed
LB-1357 : Check stt-related themes

Refactor KSML theme
CSS update for STT and Aamulehti
Remove unnecessary .dust from Aamulehti
LB-1357 : Check stt-related themes

Refactor KSML-light
LB-1357 : Check stt-related themes

Refactor Sasa theme
Refactor Sasa-light theme
LB-1357 : Check stt-related themes

Refactor Sasa theme
Refactor Sasa-light theme
LB-1357 : Check stt-related themes

Refactor satakansa theme
LB-1357 : Check stt-related themes

STT theme CSS update
Aamulehti theme CSS update
Ksml & ksml-light theme CSS update
Sasa & sasa-light theme CSS update
Satakansa theme CSS update
Merge pull request #586 from nidzix/liveblog16

STT-related themes update