Don't install rrdd-libs, as it's only used internally

Signed-off-by: John Else <john.else@citrix.com>
Update .gitignore

Signed-off-by: John Else <john.else@citrix.com>
Remove reinstall target from Makefile

This is identical to uninstall followed by install, so is a bit
redundant.

Signed-off-by: John Else <john.else@citrix.com>
Merge pull request #16 from johnelse/tidy-build

Don't install rrdd-libs, as it's only used internally