Induction filled

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>
Systems comparsion

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>
Chapter which contain Icinga description

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>
Fixes in systems comparsion chapter

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>
Change chapter order

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>
Remarks from techer

Signed-off-by: Krzysztof Opasiak <ups100@tlen.pl>