dcmgr: always check mail address syntax.
Cleaned up dirty whitespace in instances endpoint
Updated the custom_instance document to reflect the recent changes
remove unused variable.
fix the bug failing to clear all email addresses from the edit instance dialog.
Merge pull request #119 from axsh/feature-nwsvc-monitor

dcmgr: always check mail address syntax.
Merge branch 'fix-instance-parameter'
monthly gem upgrade.
upgrade ruby patch level to p327.
Update frontend/dcmgr_gui/public/i18n/Messages_ja.properties

changed the message 'change_key_pair_message'.
dcmgr: fix nil check bug introduced from f4e3db3e58da.
Update frontend/dcmgr_gui/public/i18n/Messages_en.properties

Changed message 'change_key_pair_message'.
Merge pull request #121 from axsh/monthly-bundle-update

Monthly bundle update
Merge pull request #120 from axsh/fix-instance-parameter

dcmgr: fix nil check bug introduced from f4e3db3e58da.
added param 'vifs'
gui: fix validation rules for email address input pair.
gui: JS syntax fix.
gui: copy same email validation to edit instance dialog.
Merge pull request #122 from axsh/add_param_vifs_to_mussel

added param 'vifs'
gui: control form disable attribute at opening instance edit dialog.