Bug #4857 : fixing photo technical error on save due to bad IPTC encoding values by catching unsupported encoding exception.
fixing bug #4826
simplifying publicationManager.jsp by using correctly KmeliaRequestRouter.java
removing useless code into publicationsList.jsp.inc
fixing bug #4763
fixing bug #4826
fixing bug #4395
bug #4857 :  Remove the exception stacktrace when an UnsupportedEncodingException exception is catched when fetching the image metadata. Catch also this exception (without its stacktrace) when fetching explicitly the image metadata (in ImageHelper#setMetadata). By removing the stacktrace, the logs in trace.txt will be more readable
fixing bug #4796
The way of copy the file into the servlet response was not correct
ney #bugsKmelia :  Merge branch 'ney-bugsKmelia' of https://github.com/NicolasEYSSERIC/Silverpeas-Components into components-5.12.x