Allows '%FILE_PATH%', '%FILE_NAME%' and '%FILE_DIR%' to be used in the
Java custom classpath command to refer to the full file path, the file
basename, and the file directory, respectively.
Checkers pc_lint, javac, flow, C compilers: findfile() should start in
the current file's base directory rather than the current directory.
Elixir checker: use the more efficient findfile() instead of
syntastic#util#findInParent().
Undocumented option "bash_hack" is gone.
New function syntastic#util#system(), that sets up the environment and
is now used consistently everywhere.
Unrelated fix for the elixir checker (syntax).
(1) Checkers now have an _exec attribute, and an accessor getExec().
(2) CreateAndRegisterChecker() initializes _exec from an optional argument
'exec'. If this argument is missing, 'name' is used instead.
(3) Functions SyntaxCheckers_*_IsAvailable() are now dictionary functions.
(4) Functions SyntaxCheckers_*_IsAvailable() are now optional. When
they are missing, they are assumed to return executable(expand(self.getExec())).
(5) Argument 'exe' of function syntastic#makeprg#build() is now optional.
If this argument is missing, expand(self.getExec()) is used to set checker
executables.
Make SyntaxCheckers_*_GetLocList() dictionary functions.
Pass a reference to the current checker to syntastic#makeprg#build().
Add an optional 'redirect' argument to CreateAndRegisterChecker().
Change the sh checker to use the new dictionary functions.
Add a new registry method getLocListRaw() (needed for the sh checker).
* Retrieve maven properties from help:effective-pom
* Extract targets path from maven properties
* Recursively search pom file in parents (using findfile)
* Use a dictionary to cache classpath for each project pom
