Components: small optimization- change find to in

Mirakels: small optimizations and additional changelog.
'a.find(string)' is much slower than 'string in a'.
So if not interested in the position of string within 'a', the 'in'
construct is better.

Signed-off-by: Mirakels <mirakels@openpli.org>
Tools: small optimization- change find to in

Signed-off-by: Mirakels <mirakels@openpli.org>
Screens: small optimization- change find to in

Signed-off-by: Mirakels <mirakels@openpli.org>
Cosmetic

add spaces for readability/coding standard.
Convert a find() to 'in'
BoundFunction: Remove white spaces
Add functionality to request refstring for new scanned services
Use referencestring to select service at scan results

To ensure it also performs well for renamed services
Satfinder: Ensure to free tuner at recursive close
Change satfinder plugin so it does not need changes in SatSetup

And remove the changes that where performed in SatSetup
Merge remote-tracking branch 'pli/master'