Subject: Removed pysqlite2

Description:
1) changed the README.rst
2) used sqlite3 driver for connectivity instead pysqlite2
3) removed pysqlite2
4) removed unwanted code from rpc_main
Subject: Changes in README

Description:
Subject: simplified installation ``install/``

Description:

1) user has to execute 'bash install.sh' to install using system
2) relevant changes in README
Subject: simplified installation ``install/``

Description:

1) user has to execute 'bash install.sh' to install using system
2) relevant changes in README
Merge branch 'master' of https://github.com/androportal/ABTcore

Conflicts:
	README.rst
Subject: created sphinx doc and fixed bankRecon problem

Description:
1. replaced defination comment's in rst format
2. created Sphinx documentation .. ``ABTcore/docs``
3. put subHandlers into ``abtRun()`` method of ``rpc_main ``
4. replaced ``bankRecon``class table put accountcode column instead accountname
5. fixed the problem of bankreconciliation after account edit
   used  ``getAccountCodeByAccountName`` in ...
       1. getOnlyClearedTransaction
       2. deleteClearedRecon
       3. setBankRecon