improvement UTN validation

now get hidden fields dinamically
more fields in XLS Trials export

now the XLS file comes with all trials with all fields and its
translations
bugfix: fix wrong redirection after update published Trial
#18 - Import XML file from Plataforma Brasil
manager for Not Published Trials
add number of trials in analysis
update translations
fix Plataforma Brasil XML file import
update .gitignore
remove 'upload XML file' from Terms of Use page
return except message if Submission status is NULL
when start new submission, mark as draft
Merge pull request #5 from joncasdam/dev

Dev