GCC 4.5 compatibility: no range-based for.
GCC 4.5 compatibility: nullptr-related issues.
package: added GCC 4.4 and 4.5 to Jenkins CI configuration.
package: added GCC 4.4 and 4.5 PKGBUILDs.
package: enable everything possible in development PKGBUILD.
Merge branch 'master' into compatibility