Working on packagefile for 3pd
file pack folders
Setting Core attribute for core packs
Adding lang strings and fixing displays for packages manager, package
and packagefile.
target and folder names
Including the ini files in the file package
Correcting some Notices, Warnings, Strict Standard, getting rid of the
package specific ini file as we use CDATA
Allowing Translations view filtering by Core origin. Adding core icon
for core packs in legend.
code style
Field "core" is useless here.
Merge pull request #105 from infograf768/packagefile

*Allowing the creation of File packages + other improvements