[Docs] Minor issues in GLib README

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 53 See [install document][../site/install.md] for details.

This link is broken.

 61 % wget https://dist.apache.org/repos/dist/release/arrow/arrow-0.3.0/apache-arrow-0.3.0.tar.gz
 62 % tar xf apache-arrow-0.3.0.tar.gz
 63 % cd apache-arrow-0.3.0

0.3.0 doesn't seem to be downloadable from dist.apache.org now. It's publishing only 0.4.1 at this time.

Reporter: Kengo Seki / @sekikn
Assignee: Kengo Seki / @sekikn

_{Note: This issue was originally created as ARROW-1117. Please see the migration documentation for further details.}

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Kouhei Sutou / @kou:
Issue resolved by pull request 753
#753

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Kengo Seki / @sekikn:
Thanks for merging! It seems that I don't have permission to assign myself to issues. Would anyone add it for further contribution?
BTW, @kou's talk about Apache Arrow in Tokyo last night (https://speee.connpass.com/event/58765/) was really interesting. Thanks for your presentation!

[asfimport]

Kouhei Sutou / @kou:

It seems that I don't have permission to assign myself to issues. Would anyone add it for further contribution?

@wesm Could you configure this project for it?

BTW, @kou's talk about Apache Arrow in Tokyo last night (https://speee.connpass.com/event/58765/) was really interesting. Thanks for your presentation!

Welcome to Apache Arrow development! :-)

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Wes McKinney / @wesm:
I have made @sekikn a contributor so issues can be assigned now

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Kengo Seki / @sekikn:
@wesm @kou Thanks!