Merge pull request #36 from tan9/master

Add/update Chinese (traditional) translation.
NullPointerException prevent global scm retrycount to apply

scm checkout retry only occurs on IOException
when SVNException occurs, this may be a transient error that a subsequent attempt to checkout won't hit
Users reported that this doesn't compile with Maven 2 anymore
[FIXED JENKINS-16160] plugin losing change information if previous build failed during svn checkout
Fail with useful error message instead of NPE, if subversion is not
installed
ignore
rolling forward after botched release
rolling forward after botched release
[maven-release-plugin] prepare release subversion-1.48
[maven-release-plugin] prepare for next development iteration
French translations - Fix encoding
Add French translations
English translation - Fix quotes
Merge pull request #41 from damienfinck/master

Add and edit French/English translation
- Update maven-scm-api to fix problem with localized git output while releasing
- surefire and hpi-plugin updates
[FIXED JENKINS-14551] added files merged from a branch results in those files having doubled content
Grr, even maven-scm-api 1.8.1 doesn't fix the problem with localized git output.
Rolling forward after botched release
[maven-release-plugin] prepare release subversion-1.50
[maven-release-plugin] prepare for next development iteration
Provide helpful diagnostics when $SVN_{REVISION,URL}* are not getting set.