Release 0.70

Perlbrew Release 0.70

perlbrew 0.70 is released at 2014-09-02T20:41:15+0900

It contains these changes.

• download the fatpacked perlbrew from an http:// url.
• protect fatpacked perlbrew from PERL5LIB, thanks to dagolden++
• avoid several warnings, thanks to DabeDotCom++
• making perlbrew a bit friendlier to init.d script, thanks to maxhq++ . see also https://github.com/gugod/App-perlbrew/pull/404
• make it possible to override PERLBREWURL before invoking installers