#122 support for else/if-pairs

[Michael Brinkmann]

with version 2.6.40, an else/if-pair gets formatted like
this:

if (x) {
x;
} else
if (x) {
x;
}

an option for doing this would be nice:

if (x) {
x;
} else
if (x) {
x;
}

or this:

if (x) {
x;
} else if (x) {
x;
}