Code was formatted with patched astyle that correctly formats
foreach macro.
Normalize tool is now used to normalize all signal/slots signatures
to normalized format. It saves few reallocations on connections.
Even empty QRegExp can occupy a lot of space in memory, which can
grow into a big number with tens of thousands AdBlock rules.
QRegExp is now allocated with new, and only when really needed.
- you can add subscriptions in AdBlock dialog or with
abp: scheme links
- however, AdBlock rules are not yet optimized for performance
so you shouldn't add too much subscriptions
performance optimizations will come in next commits
- support for element hiding is still yet to come too
closes#266
