Bellevue-based venture capital firm Ignition Partners has had an exit at one of the firm's portfolio companies, Zenprise. Citrix said Wednesday that it is buying Zenprise, and will make that firm's products part of its Citrix CloudGateway and Me@Work products, which are used for mobile application and data management. Financial details of the acquisition were not announced. Zenprise was venture backed by Bay Partners, Greylock Partners, Ignition Partners, Mayfield, Rembrandt Venture Partners, and Shasta Ventures. Ignition's Cameron Myhrvold sat on the board of Zenprise.