Change version to 2.7.0-rc1

Merge pull request #191 from asappresearch/remove_rezero

Update layer norm options

Merge pull request #188 from asappresearch/torchscript_gpu_v2.5

support GPU inference in torchscript model for v2.5 / v2.6

update version

fix an issue

update version

Merge pull request #184 from asappresearch/3.0.0-dev-tao

update version

update version.py

Merge pull request #169 from asappresearch/3.0.0-dev-tao

Speed up data loading / batching for ONE BILLION WORD experiment

version.py => v3.0.0.dev0