AtkWrapper: replace tabs for spaces

Also, fix dodgy formatting.
Change JRE_SRC back to JAVA_HOME

It is better to follow convention even if that doesn't make
sense
configure.ac: remove quotation marks
Style: replace tabs for spaces and format a bit
Remove directory cd into cwd (pointless)
Allow writing of JavaInfo.class during distcheck

Bug: https://bugzilla.gnome.org/show_bug.cgi?id=739909
remove repeated code
Specify JAVA_HOME

JAVA_HOME is used but not specified in configure.ac so really it's just
a blank string. It can be determined from JavaInfo and then used.

Bug: https://bugzilla.gnome.org/show_bug.cgi?id=739912
Revert "Specify JAVA_HOME"

This reverts commit 390cd6314db1c35e24e2aaca344a923bd83198c5
which broke build
fix invalid flag
Set JAVA_HOME properly

JAVA_HOME is used but not specified in configure.ac so really it's just
a blank string. It can be determined from JavaInfo and then used.

Bug: https://bugzilla.gnome.org/show_bug.cgi?id=739912
Release 0.30.9
Merge pull request #3 from GNOME/master

Merge from master