Changed JRuby's rubygem defaults file to not override the
default_exec_format method.

It isn't necessary to override this, since it is only used if the
--format-executable flag is even, and that flag defaults to off.
Merge pull request #428 from prathamesh-sonpatki/graph_librabry_tests

Directed graph library specs
No need to look up TZ here. In all cases leading up to here,
we should rely on the String value passed to set up the Time object.
Identify the correct JIRA ticket.
As ugly as it might be, maintaining a map of exceptional time zone
values may be the best way to address #215.
Setup .gitattributes for eol normalization

This will work automatically for future commits.

For existing files, we have to manually normalize
them once and only once, with following command:

find . \( -path './.git' -o -path './build*' -o \
-path './src_gen' \) -prune -o -type f -print |\
xargs dos2unix

One caveat of dos2unix is, even though it claims
by default only convert line breaks and skip
binary files, it actually depends, e.g., some
UTF-16 files could be messed up; and the BOM in
some UTF-8 files could be removed unexpectedly.

Therefore, after running the above command, make
sure to use git diff to see if there's any such
kind of unexpected change, and those files can be
restored via git checkout.
Use a SwitchPoint for Fixnum/Float reopening, FOR MORE SPEED.
Invokedynamic guard improvements for normal invocations.

* Immediates (Symbol, Fixnum, Float, nil, true, false) do not need metaclass check; instanceof is enough.
* GWT tests can be simplified to a single permute + insert args.
Include runtime version in site dir

I forgot this during doing the path rework, I think it's not used by anyone except me for Fedora packaging, so it can safely be merged into 1.7 tree.
Merge pull request #431 from bkabrda/patch-1

Include runtime version in site dir
Merge pull request #429 from ryenus/norm-eol

Setup .gitattributes for eol normalization
Revert "Setup .gitattributes for eol normalization"

This commit is overly eager on fixing the existing files' EOLs.
I also have reservations about enforcing EOL rules, and would like to
discuss it a little further.

This reverts commit b1119113cfa6f29dc658c1bf0c038827b833b157.
Reduce amount of stat calls during load/require searching.

For every combination of load path + filename + extension, we were
using Java's File.isFile() to determine whether the file existed.
We then subsequently also called canRead() to know if we could
read the file. On a hunch, I modified the check to do *just* the
canRead call, which should return false if the file in question
does not exist, is not a file, or is not readable.

The original logic made at least a stat call every time, mostly
for paths that failed the test. The new logic calls access(2) (at
least on BSD/Darwin) which might be cheaper (at least the call
signature does not require allocating a stat-like struct; it is
not clear whether it might do the same thing as stat internally).

Before the change, here's dtruss counts of system calls for
bench_load_path 100:

access                                       5588
dup2                                         5677
close                                        5724
open                                         5733
fstat64                                      5862
psynch_cvsignal                              6319
psynch_cvwait                                7998
fcntl                                       11410
lseek                                       12439
read                                        18006
stat64                                    1163895

And here's the same run after the change:

close                                        5760
open                                         5771
fstat64                                      5907
psynch_cvsignal                              7718
psynch_cvwait                                9326
fcntl                                       11486
stat64                                      11901
lseek                                       15162
read                                        20756
access                                    1163043
Update psych to tenderlove/psych@d5757eaddab8aae701d8ab30c6d8d420e54db535
At some point, 1.8 also got the support for '%-d'
where '-' means "drop the leading zero".

Fixes #433.
Tag specs failing in CI.
Merge pull request #434 from atambo/master

Update psych to tenderlove/psych@d5757ea

OK. Let's give this a whirl. We'll discuss the future release process soon.
Fix Readline.get_screen_size
Merge pull request #436 from ConradIrwin/bug/get_screen_size

Fix Readline.get_screen_size before Readline.readline

Thanks!
Move jruby-openssl out of jruby.jar.

For JRuby 1.7.0 and 1.7.1, we shipped all of jruby-openssl and the
Bouncy Castle dependency inside jruby.jar. This worked as an all-
in-one setup, but failed in other ways:

* With the jossl code in jruby.jar, it is impossible to update it
using a gem

* With BC code in jruby.jar, it is both impossible to update and
it fails to work for scenarios that require signed security
provider jars.

The new setup builds jopenssl.jar into lib/ruby/shared, copies the
bc*.jar files to lib/ruby/shared, and incorporates the
bouncy-castle-java.rb file from the bouncy-castle-java gem. This
allows jruby-openssl to be shipped with JRuby, outside jruby.jar
to avoid those issues, and upgradable by jruby-openssl gem.

We probably need to adjust dist logic for this. I'll coordinate
with enebo.