update package lcms
update package libusb1
update package vorbis
update package mxml
package lcms: updated checksum
update package harfbuzz
Package libsigc++: Enable shared build.
Package glibmm: Enable shared build.
Package libxml++: Enable shared build.
Package atkmm: Enable shared build.
Package libgsf: Enable shared build.
Add package polarssl
Use tmp-PKG-TARGET as temporary dir

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Always symlink to log/PKG_TARGET

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Fix libxvidcore shared DLL location

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Merge pull request #351 from TobiX/shared-2014-03-19

Enable shared builds, 5 more packages
Merge pull request #348 from TimothyGu/parallel

Allow building packages for different targets simultaneously using multiple `make` instances
Merge pull request #352 from AndreHeinecke/master

Add package polarssl