Fix #67
Merge pull request #68 from syohex/fix-67

Fix #67
Show message before creating tag
Set persistent action for helm-gtags-tags-in-this-function
Merge pull request #69 from syohex/improve

Improve for #64 and #67
Bump up version and update Changes
Fix Windows drive letter issue(#71)
Fix highlighting candidates problem for Windows
Force absolute option for special case on Windows.

This is work around of GNU global. GNU global does not work well
with not absolute path(root, relative) on Windows if GTAGSLIBPATH
is set. So then helm-gtags.el forces to use absolute path.
Update document for Windows issue
Add test for forcing to use absolute option
Merge pull request #72 from syohex/fix-for-drive-letter

Fix Windows drive letter issue(#71)
Add action which opening file in other window
Re-factoring code
Merge pull request #74 from syohex/open-other-window

[WIP] Add action which opening file in other window
Bump up version and update Changes
Use only stdout

Containing stderr output causes helm error.
Merge pull request #76 from syohex/use-only-stdout

Use only stdout
Bump up version and update Changes
Remove needless option