Add file copy function on CMenu
copyfile: generate unique default name

file.sch->file_copy1.sch->file_copy2.sch
add warning when copy an opened file
ask user to save changed file when copying
fix bug 145, build on freebsd

* https://sourceforge.net/p/qucs/bugs/145/
slight change and bug fix

* fix duplicate non-open file will crash application
  reason: finddoc return NULL if file is not open
* Cmenu shows text, change from "copy" to "duplicate"
* make save at right and set it as default
Merge pull request #7 from yodalee/copyfile

Add right-mouse option to copy/duplicate a project file.
update .ts translation files

* ~/git/qucs/qucs/qucs $ make qucs_.ts
read RELEASE instructions
read qucs-core RELEASE instructions
patch #9 - sourceforge.net/p/qucs/patches/9/
add admsXml path to Qucs settings

* read environment variable ADMSXMLBINDIR for path
* set AdmsXml Path into Qucs settings
add ASCO path to Qucs settings

* read environment variable ASCOBINDIR for path
* set ASCO Path via Qucs settings
add default bindir for admsxml

* same as qucs
save/load mofified admsXml and asco path settings
remove in-tree adms copy

* to be replaced by git submodule
add adms as submodule, at version 2.3.2

* placed at qucs-core/deps/adms/
set adms Git submodule in qucs-core/deps/adms
Update top Readme with ADMS submodule instructions
cmake: add test for HAVE_QTABWIDGET_SETMOVABLE

* could use QT_VERSION, but explit test was recommended by Octave devs
  to Richard Crozier