Removed `libsbml-dev` requirement. Also `moosegui` is now `moose`.

[ skip ci ]

can handle environment variables cleanly.

Doxygen_1.8.9 is added which should be used to generate doxygen files,Rdesigneur folder is creater under "user" folder and corrected index.rst file is updated, deleted "html" folder,Rdesigneur markdown file with correct date,"snippet " and "tutorial"folder is created with relevant files to generate html files

6a6bcc1 Python module can also use VERSION file generated by CMAKE. Copy to build directory for not-in-source builds. BhallaLab/moose#200.
7805364 Failsafe mechanism in VERSION reading script.

git-subtree-dir: moose-core
git-subtree-split: 6a6bcc15556a58e08c24203599c3c84837eb65bd

9eeca0c Fixed a typo in setup.py file. Due to which installation was failing without any warning.

git-subtree-dir: moose-core
git-subtree-split: 9eeca0ca8135fbf3c8fe7dd65ce408681b1e4605

14cf2df Fixed the setup.py file. Use absolute path for script to determine absolute path of VERSION file.

git-subtree-dir: moose-core
git-subtree-split: 14cf2df3a65456c6b4ce67b2d34110fd3400c982

343cb02 Fixes to  VERSION issue BhallaLab/moose#200.
835bf9a Added a version file.

git-subtree-dir: moose-core
git-subtree-split: 343cb02705b0874ad0035eea648019420475f7ed

e49ca7d Changes Function symbol to summation symbol, objectedit.py function expr is not editable as this summation of pools, some cleanup with colors selection,Function which is now just summation object, set's up setN for output as input is nout
328b8f5 for now function output connected to pool via setConc message, but there is "increment" which depend on the function input this will be fixed later
16075b3 cleanup with colormap string from genesis file
aa377ed resetup for multicompartment model before setting up the solver
26d2be7 Changes made are related to functions which now doesn't need parent as pool but if exist like in case of genesis then it displays as its, setsolver: setting ticks to table, 18 is not required as its set default when table is created
7ad2bb9 plot are saved to csv forms
20a76af some more cleanup
653b464 added units for Km, kcat is added which display in object editor
cbf2c5e added units for volume which display in object editor,...