update thunderbird to 31.1.2
update gimp to v2.8.14
Merge pull request #6474 from eugenesan/gimp

update gimp to v2.8.14
Merge pull request #6473 from eugenesan/mozilla

update thunderbird to 31.1.2
fix gimp-lisanet on case sensitive filesystems
Merge pull request #6475 from eugenesan/gimp

fix gimp-lisanet on case sensitive filesystems
Update texts to v0.21
Merge pull request #6476 from dfaligertwood/patch-1

Update texts to v0.21