Worked on DCS function prototyping

Found in LDT the means to create using luadoc function prototypes using
a documentation mechanism. Am reworking now the DCS function manual to a
luadoc structure.

DCS/env.doclua

@@ -0,0 +1,27 @@
+-------------------------------------------------------------------------------
+-- @module env
+
+--- @type env
+
+--- Add message to simulator log with caption "INFO". Message box is optional.
+-- @function [parent=#env] info
+-- @field #string message message string to add to log.
+-- @field #boolean showMessageBox If the parameter is true Message Box will appear. Optional.
+
+--- Add message to simulator log with caption "WARNING". Message box is optional. 
+-- @function [parent=#env] warning
+-- @field #string message message string to add to log.
+-- @field #boolean showMessageBox If the parameter is true Message Box will appear. Optional.
+
+--- Add message to simulator log with caption "ERROR". Message box is optional.
+-- @function [parent=#env] error
+-- @field #string message message string to add to log.
+-- @field #boolean showMessageBox If the parameter is true Message Box will appear. Optional.
+
+--- Enables/disables appearance of message box each time lua error occurs.
+-- @function [parent=#env] setErrorMessageBoxEnabled
+-- @field #boolean on if true message box appearance is enabled.
+
+
+
+env = {} --#env