Update Scintilla to 3.4.4.
KeyWords_PS: add Invoke-RestMethod

http://technet.microsoft.com/en-us/library/hh849971
Merge pull request #92 from svnpenn/master

KeyWords_PS: add Invoke-RestMethod
Update coverity version.
Add VS2013 Update 3 version number.
installer: switch to using Inno Setup's `CloseApplications` directive.

Now the installer will not perform a check when it starts for running process(es). Instead, it will warn just before the actual installation and offer to close any running process(es).

See also http://www.jrsoftware.org/ishelp/index.php?topic=setup_closeapplications and http://www.jrsoftware.org/ishelp/index.php?topic=setupcmdline