Fix links to "Effective Java"
Fix escaping
Different variable in loop and its body
Double minus in prefix decrement looks like dash
"Basic Operations" renamed to "Equality" and moved
Escaping fixed in operator-overloading.md
Merge pull request #64 from ChShersh/patch-2

Different variable in loop and its body
Build PDF improvements
Merge branch 'master' into grammar-generator
Merge pull request #66 from JetBrains/equality

"Basic Operations" renamed to "Equality" and moved
Merge pull request #67 from JetBrains/operator-overloading

Operator overloading
Merge pull request #62 from JetBrains/links-and-escaping

Links and escaping
Changed Jekyll server address to 0.0.0.0 and added force-polling flag
Merge remote-tracking branch 'origin/master'
Merge branch 'master' into grammar-generator
Updated grammar page