translation added __()
bug fix for permission manager, missed filedname which lead translated get_input failed.
in addition to that, vaiours __() added.
fixed exporters according to suggestion.
translations:
1. customize form
2. comment
3. editor
4. message
5. assign to
added translation for:
1. user
2. module setup
3. user creation notification
4. 404
5. toolbar update
fixes according to review:
1. use {{ }} if in html
2. export.py and import.py, move import from at top line
bumped to version 4.4.5
Merge branch 'develop'
[minor] ask for admin password on install
add support for install using dbhost #692
[minor] fix title
Merge pull request #886 from pdvyas/dbhost

add support for install using dbhost #692
Merge pull request #885 from pdvyas/ask-admin-pass

[minor] ask for admin password on install fix #738
Merge pull request #844 from 81552433qqcom/d1

Translation for exporter.py
[minor] fix session db persistence
Merge pull request #888 from pdvyas/fix-sessions

[minor] fix session db persistence
[fix] % in filter
Merge pull request #889 from nabinhait/hotfix

[fix] % in filter
[fix] save doc to add/delete assignment and reload doc after assignment
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