Merge pull request #843 from nabinhait/hotfix

minor fix
translation added __()
bug fix for permission manager, missed filedname which lead translated get_input failed.
in addition to that, vaiours __() added.
[minor] copy_doc ignore_no_copy
fixed exporters according to suggestion.
[hotfix] mysqldb encoders for UnicodeWithAttrs of markdown2
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
[minor] clear _website_pages in clear_web
Merge pull request #852 from anandpdoshi/anand-september-16

[minor] clear _website_pages in clear_web
Merge pull request #846 from anandpdoshi/anand-september-15

[minor] copy_doc ignore_no_copy
Update CONTRIBUTING.md
fixes according to review:
1. use {{ }} if in html
2. export.py and import.py, move import from at top line
bumped to version 4.4.0
Merge branch 'develop'
[fix] on page change, set full-width for containers if explicitly specified
else limit width to 970px
Merge pull request #853 from anandpdoshi/anand-september-16

[fix] on route change, set max width for containers to 970px except for
[hotfix] #848
bumped to version 4.4.1
Merge branch 'develop'