bumped the version to 1.8-dev
added the 1.7 download link
fixed incorrect CSE selection
Update merged files
Fix typo
Merge pull request #594 from kenjis/fix_toc

Fix typo
目次の翻訳（途中）
Update methods.html
Merge pull request #426 from shinagaki/fix_merged

Update merged files
Merge pull request #427 from kenjis/trans_toc

目次の翻訳（途中）
Merge pull request #428 from ounziw/1.7/develop_japanese

Update  validation/methods.html
Update CREDITS.md
未翻訳の部分をすべて翻訳。
packages/auth/ormauth/intro.html翻訳中
Merge pull request #429 from ounziw/1.7/develop_japanese

Update CREDITS.md
Merge pull request #430 from suno88/patch-8

未翻訳の部分をすべて翻訳。
Merge pull request #431 from sharkpp/1.7/develop_japanese

packages/auth/ormauth/intro.html翻訳中
CREDITS.md に名前を記載
Merge pull request #432 from kenjis/1.7/develop_japanese

CREDITS.md に名前を記載
Update CREDITS.md