premake-hg: rename to premake5-hg
premake4-hg: import from AUR (in AUR as premake-hg)
premake4-hg: rename package in PKGBUILD to premake4-hg and wipe pkgver
premake4-hg: don't conflict with 'premake'
premake4-hg: gitignore the local hg clone
fez: import from AUR
fez: add newline at end of PKGBUILD
lemon: update to latest version and install documentation with the pkg