JC-2003.Broken url in img tag is substituted with Default picture.

- img1 pattern was changed to match all URLs with (.*) regex.
#JC-1986:Added servlet filter which replace tags by i18n data

Now jcommune i18n messages can be taken by plugin using tag <jcommune:message locale=locale>label.code</jcommune:message>
Revert "JC-1994 Additional validation on password"

Decided that password that consists of whitespaces should be allowed,
this is agreed with QA. Instead of the validation we're going to introduce
hints that show how strong the password is.

This reverts commit b462505c1da0ed8d56076e540e495ddfb951ba0b.
#JC-1986:Added answer form.
Next step: permissions for answer and comment
[JC-1926] -  Space between the word and the checkbox in topic with vote
Merge remote-tracking branch 'origin/master'
#JC-1813: Refactor code according to code review
* Postpone DateTimeFormatter creating above try block
Merge branch 'master' of github.com:jtalks-org/jcommune
#JC-1986:Added permission checking for comments and answer form
#JC-1986:Post date and post buttons swapped
#JC-1986:Corrected date right indentation when user not sees post buttons
#JC-1986:Tests for TagFilter
#JC-1986:Tag filter now placed after httpMethod filter.
Needed to avoid empty pages skipped by trimFilter
#JC-1986:Fixed encoding issue. Added writer flushing
Now filter can be used in any order
#JC-1986:Fixed review notes
#JC-1986:Corrected character registers and indentations
#JC-1986:Now locale determined in filter instead
Needed rework tests for parser and correct tag
JC-2007.Now focus jumps to error areas

* an existing script in topicForm.jsp was modified
* new class focusToError was added to fields/areas with errors
* new class focusToError was added to BBEditor in bbeditor.tag
Merge branch 'JC-2003.wrong_URL_should_be_substituted_with_default_image'
JC-1926 Added space between words and a checkbox/radio

* inline.css was modified because of inconsistency in selectors: "input"
  tag does not have "form-check-radio-box" class