Update frontpage.sr.yml

desc_html - Updated missing space character in sentence
terms - Updated translation(context was wrong). This in Serbian language can mean two different things according to context of use.
press - Updated translation(context was wrong). This in Serbian language can mean two different things according to context of use.
Update sr.yml

Updated latest translation from transifex.
Merge branch 'patch-3' of https://github.com/novicaz/loomio into novicaz-patch-3

Conflicts:
	config/locales/frontpage.sr.yml
Merge branch 'novicaz-patch-3'
Merge pull request #1518 from novicaz/patch-4

Update sr.yml
Merge branch 'master' into motion-timepicker
QA in progress