Update INSTALL and READMEs under scripts/ [ci skip]

- perl
    - assume perl-binding version is different from Open Babel's
- python
    - assume tarball from github release page
    - note: `python scripts/python/setup.py install` does not work since `__init__.py` is missing

INSTALL

@@ -21,9 +21,6 @@ install Open Babel on most systems.  If you are using unique install locations
 and/or libraries are not automatically detected please consult the 'Advanced'
 section.
 
-The following instructions assume that the Open Babel source distribution is in
-the directory ~/openbabel-2.4.0.
-
 1. Create a 'build' directory:
 
    mkdir build

scripts/java/README

@@ -13,7 +13,7 @@ http://openbabel.org/wiki/Java
 
   First of all, set some environment variables (remember to change the paths to correspond to your system):
 $ export JAVA_HOME=/home/noel/Tools/jdk1.5.0_15
-$ export OB_JAVADIR=/home/noel/Tools/openbabel-2.2.0/scripts/java
+$ export OB_JAVADIR=/home/noel/Tools/openbabel-3.0.0/scripts/java
 $ export OB_LIBDIR=/home/noel/tree/lib # The install location of libopenbabel.so
 
   Next, compile the Java bindings:

scripts/perl/META.yml

@@ -1,7 +1,7 @@
 # http://module-build.sourceforge.net/META-spec.html
 #XXXXXXX This is a prototype!!!  It will change in the future!!! XXXXX#
 name:         Chemistry-OpenBabel
-version:      1.3
+version:      1.4
 version_from: 
 installdirs:  site
 requires:

scripts/perl/README

@@ -1,4 +1,4 @@
-Chemistry::OpenBabel version 1.3
+Chemistry::OpenBabel version 1.4
 ================================
 
 This module provides a Perl interface to the Open Babel chemistry library. 
@@ -34,7 +34,7 @@ installed Open Babel):
 DEPENDENCIES
 
      perl-5.6.0 or a more recent version.
-     openbabel-2.1 or a more recent version.
+     openbabel-3 or a more recent version.
 
 Note that if you are trying to build/run this Perl code in the Open
 Babel source/build directory BEFORE you install Open Babel, you may

scripts/python/README.rst

@@ -30,7 +30,7 @@ Dependencies
 ------------
 
 -  Python 2.4 or a more recent version.
--  Open Babel 2.3.0 or a more recent version.
+-  Open Babel 3 or a more recent version.
 
 Installation
 ------------
@@ -45,8 +45,8 @@ Installation
 
 ::
 
-    tar -xzvf openbabel-1.8.1.tar.gz
-    cd openbabel-1.8.1
+    tar -xzvf openbabel-3-0-0.tar.gz
+    cd openbabel-openbabel-3-0-0
     python setup.py install
     
 **Option 3**: While building Open Babel itself.