Merge pull request #3 from moneymanagerex/master

rebase develop branch
Merge branch 'develop' of https://github.com/moneymanagerex/moneymanagerex into develop
added new db table for stock price history (STOCKHISTORY_V1)
added new files for db table stock price history and new reports to VC 2013 Express project (WARN: files must be added to other platforms projects)
added new credit card section on home page
added new reports: monthly summary of all accounts and stock reports graph for various date interval
added stock price history management
added precision parameter to toString functions
added precision and width parameters to addCurrencyCell and addMoneyCell functions
new mmCalcValidator, same as previous but, according to currency configuration, during input substitute the numpad '.' char with currency decimal point char (ex for EUR, changes '.' to ',')
bugfix: a stock price was added everytime, not updated if already present
bugfix: error on showing stocks list and no price history items
compact and better code on updating stock history
bugfix: OnDateFormatChanged event not fired (duplicate assignment), so it was not possible to change date format
fix
Merge branch 'develop' of https://github.com/moneymanagerex/moneymanagerex
Update Tests build & LuaGlue compiler warning
Update tests to examine new Stock reports in test_mmex_db
bugfix: duplicate item on stockhistory table in automatic update for the same day
new feature: new account type for credit card accounts (may need a different icon from cash accounts)