Update major version number to 6 in debian/*.install files.

This was forgotten when the major version number was increased from 5 to
6 in r650.

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@666 ee073f10-1060-11df-b6a4-87a95322a99c
CPP: Add "system" as a Boost component.

This is required with newer Boost (starting with 1.50).

R=daniel@pocock.pro
BUG=

Review URL: https://codereview.appspot.com/100910043

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@667 ee073f10-1060-11df-b6a4-87a95322a99c
Modernize debian/ and add multiarch support and hardening flags.

R=daniel@pocock.pro
BUG=

Review URL: https://codereview.appspot.com/103800043

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@668 ee073f10-1060-11df-b6a4-87a95322a99c
JAVA/JS/CPP: Metadata updates, v6.1.1

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@669 ee073f10-1060-11df-b6a4-87a95322a99c
Update debian/{changelog,control,copyright} to standards compliance.

R=daniel@pocock.pro
BUG=

Review URL: https://codereview.appspot.com/101000043

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@670 ee073f10-1060-11df-b6a4-87a95322a99c
Add debian/watch file for autogenerated archives from tags on GitHub.

R=daniel@pocock.pro
BUG=

Review URL: https://codereview.appspot.com/105970043

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@671 ee073f10-1060-11df-b6a4-87a95322a99c