Vn translation update continue (#2207)
Vn translation update continue (#2207)

* Updated vietnam translation:
* complete translation the entryfield for BibTex and BibLaTex
 * insert new localization.lang keys
* complete translation for shared database

* Rechanged the translation for date

* Revert class:
* EntryEditorTab.java
* FieldExtraComponents.java
* EntryLinkListEditor.java

* Updated vi.properties

Mr-DLib/jabref,grimes2/jabref,Siedlerchr/jabref,oscargus/jabref,oscargus/jabref,shitikanth/jabref,zellerdev/jabref,zellerdev/jabref,tobiasdiez/jabref,sauliusg/jabref,sauliusg/jabref,jhshinn/jabref,jhshinn/jabref,shitikanth/jabref,grimes2/jabref,JabRef/jabref,zellerdev/jabref,sauliusg/jabref,mredaelli/jabref,shitikanth/jabref,mredaelli/jabref,Mr-DLib/jabref,mredaelli/jabref,JabRef/jabref,bartsch-dev/jabref,mredaelli/jabref,oscargus/jabref,JabRef/jabref,tobiasdiez/jabref,Siedlerchr/jabref,sauliusg/jabref,Siedlerchr/jabref,shitikanth/jabref,oscargus/jabref,zellerdev/jabref,grimes2/jabref,bartsch-dev/jabref,grimes2/jabref,tobiasdiez/jabref,Mr-DLib/jabref,mredaelli/jabref,jhshinn/jabref,oscargus/jabref,Mr-DLib/jabref,bartsch-dev/jabref,bartsch-dev/jabref,jhshinn/jabref,bartsch-dev/jabref,tobiasdiez/jabref,zellerdev/jabref,jhshinn/jabref,shitikanth/jabref,grimes2/jabref,Siedlerchr/jabref,Mr-DLib/jabref,JabRef/jabref